Encyclopedia - Ulna: Encyclopedia - Ulna
The ulna (Elbow Bone) [Figs. 1, 2] is a long bone, prismatic in form, placed at the medial side of the forearm, parallel with the radius....   » Read the article

Encyclopedia - Ulna: Encyclopedia Ii - Ulna - The Upper Extremity
('proximal extremity') [Fig. 1] The upper extremity presents two curved processes, the olecranon and the coronoid process; and two concav...   » Read the article

Encyclopedia - Ulna: Encyclopedia Ii - Ulna - The Body Or Shaft
('corpus ulnæ') The body at its upper part is prismatic in form, and curved so as to be convex behind and lateralward; its central part ...   » Read the article

Encyclopedia - Carpus: Encyclopedia - Carpus
In tetrapods, the carpus is the cluster of bones in the hand between the radius and ulna and the metacarpus. The bones of the carpus do n...   » Read the article

Encyclopedia - Carpal Bone: Encyclopedia - Carpal Bone
In human anatomy, the carpal bones are the bones of the human wrist. There are eight of them altogether, and they can be thought of as fo...   » Read the article

Encyclopedia - Coelurosauria: Encyclopedia - Coelurosauria
Coelurosauria is a group of theropod dinosaurs that includes the subgroups Tyrannosauridae, Ornithomimidae, and Maniraptora. Coelurosaur ...   » Read the article

Encyclopedia - Elbow-joint: Encyclopedia - Elbow-joint
The elbow-joint (Articulatio Cubiti) [Figs. 1,2] is a ginglymus or hinge-joint. The trochlea of the humerus is received into the semiluna...   » Read the article

Encyclopedia - Ulna: Encyclopedia Ii - Ulna - Proximal And Distal Aspects
The ulna is broader proximally, and narrower distally. Proximally, the ulna has a bony process, the olecranon process, a hook-like struct...   » Read the article

Encyclopedia - Tetrapod: Encyclopedia Ii - Tetrapod - Limbs
The humerus was the largest bone of the arm, its head articulating with the glenoid cavity of the pectoral girdle, distally with the radi...   » Read the article

Encyclopedia - Arm: Encyclopedia Ii - Arm - Anatomy Of The Human Arm
The human arm contains bones, joints, muscles, nerves, and blood vessels. Many of these muscles are used for everyday tasks. Arm - Bony ...   » Read the article

Encyclopedia - Elbow-joint: Encyclopedia Ii - Elbow-joint - Ligaments
Elbow-joint - The anterior ligament. The anterior ligament [Fig. 1] is a broad and thin fibrous layer covering the anterior surface of ...   » Read the article

Encyclopedia - Arm: Encyclopedia Ii - Arm - Anatomy Of The Human Arm
The human arm contains bones, joints, muscles, nerves and blood vessels. Many of these muscles are used for everyday tasks. There are cli...   » Read the article

Encyclopedia - Wrist: Encyclopedia Ii - Wrist - Ligaments
The joint is surrounded by a capsule, strengthened by the following ligaments: Wrist - Volar radiocarpal ligament. ('ligamentum radioca...   » Read the article

Encyclopedia - Radius Bone: Encyclopedia Ii - Radius Bone - The Lower Extremity
The lower extremity is large, of quadrilateral form, and provided with two articular surfaces - one below, for the carpus, and another at...   » Read the article

Encyclopedia - Elbow-joint: Encyclopedia Ii - Elbow-joint - Synovial Membrane
The synovial membrane is very extensive. It extends from the margin of the articular surface of the humerus, and lines the coronoid, radi...   » Read the article

Encyclopedia - Humerus: Encyclopedia Ii - Humerus - Muscle Attachments
A variety of muscles attach to the humerus. These enable movement at the elbow and at the shoulder. Anconeus muscle - attaches to the la...   » Read the article

Encyclopedia - List Of Diseases Starting With F: Encyclopedia Ii - List Of Diseases Starting With F - Fe
List of diseases starting with F - Fea-Fer. Fealty syndrome Febrile seizure Fechtner syndrome Feigenbaum Bergeron Richardson syndrome ...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia - Shroud Of Turin
The Shroud of Turin (or Turin Shroud) is a linen cloth bearing the image of a man who appears to have been physically traumatized in a ma...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia - Crucifixion
Crucifixion is an ancient method of execution, where the victim was tied or nailed to a large wooden cross (Latin: crux) and left to hang...   » Read the article

Encyclopedia - Arm: Encyclopedia - Arm
In anatomy, the arm is the upper limb of a bipedal mammal, specifically the segment between the shoulder and the elbow. Arm can also refe...   » Read the article

Encyclopedia - Anatomical Terms Of Location: Encyclopedia - Anatomical Terms Of Location
In human and zoological anatomy (sometimes called zootomy), several terms are used to describe the location of organs and other structure...   » Read the article

Encyclopedia - Sternum: Encyclopedia - Sternum
Sternum or breastbone is a long, flat bone located in the center of the thorax (chest). It connects to the rib bones via cartilage, formi...   » Read the article

Encyclopedia - Calcaneus: Encyclopedia - Calcaneus
The calcaneus is the large bone making up the heel of the human foot or the point of an animal's hock. Calcaneus - Human. It articulate...   » Read the article

Encyclopedia - Ampelosaurus: Encyclopedia - Ampelosaurus
Conservation status: Fossil A. atacis (type) Ampelosaurus atacis is a titanosaurid sauropod dinosaur hailing from the Late Cretaceous Mar...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia - Bird Flight
Flight is the mode of locomotion used by most of the world’s bird species. It is important to birds for feeding, breeding and avoiding ...   » Read the article

Encyclopedia - Aegyptopithecus: Encyclopedia - Aegyptopithecus
Aegyptopithecus, also called the Dawn Ape, is an early fossil catarrhine that predates the divergence between hominoids (apes) and Old Wo...   » Read the article

Encyclopedia - Humerus: Encyclopedia Ii - Humerus - Structure
The humerus (arm bone) is the longest and largest bone of the upper extremity; it is divisible into a body and two extremities. The extre...   » Read the article

Encyclopedia - Hyoid Bone: Encyclopedia Ii - Hyoid Bone - Segments
It consists of five segments: a body, two greater cornua, and two lesser cornua. Hyoid bone - The body or basihyal. The body (corpus os...   » Read the article

Encyclopedia - Icd-10 Chapter M: Diseases Of The Musculoskeletal System And Connective Tissue: Encyclopedia Ii - Icd-10 Chapter M: Diseases Of The Musculoskeletal System And Connective Tissue - M00-m99 - Diseases Of The Musculoskeletal System And Connective Tissue
ICD-10 Chapter M: Diseases of the musculoskeletal system and connective tissue - M00-M25 Arthropathies. (M00) Pyogenic arthritis (M01...   » Read the article

Encyclopedia - Joint: Encyclopedia Ii - Joint - Functional Classification
Functionally, they can be classified as: synarthrosis - permit no movement. amphiarthrosis - permit little movement. diarthrosis - permi...   » Read the article

Encyclopedia - Evidence Of Evolution: Encyclopedia Ii - Evidence Of Evolution - Evidence From Palaeontology
When organisms die, they are often decomposed rapidly or consumed by scavengers, leaving no permanent evidences of their existence. Occas...   » Read the article

Encyclopedia - Ethmoid Bone: Encyclopedia Ii - Ethmoid Bone - Surfaces
The upper surface of the labyrinth [Fig. 1] presents a number of half-broken cells, the walls of which are completed, in the articulated ...   » Read the article

Encyclopedia - Inferior Nasal Conchae: Encyclopedia Ii - Inferior Nasal Conchae - Articulations
The inferior nasal concha articulates with four bones: the ethmoid, maxilla, lacrimal, and palatine. This article is based on an entry fr...   » Read the article

Encyclopedia - Frontal Bone: Encyclopedia Ii - Frontal Bone - Squama Squama Frontalis Or Vertical Part
Frontal bone - Surfaces. The external surface [Fig. 1] of this portion is convex and usually exhibits, in the lower part of the middle ...   » Read the article

Encyclopedia - Hamate Bone: Encyclopedia Ii - Hamate Bone - Surfaces
The superior surface, the apex of the wedge, is narrow, convex, smooth, and articulates with the lunate. The inferior surface articulates...   » Read the article

Encyclopedia - Maxilla: Encyclopedia Ii - Maxilla - Surfaces
Maxilla - Anterior surface. The anterior surface [Fig. 1] is directed forward and lateralward. It presents at its lower part a series o...   » Read the article

Encyclopedia - Palatine Bone: Encyclopedia Ii - Palatine Bone - Processes
Palatine bone - The pyramidal process or tuberosity. The pyramidal process (processus pyramidalis) projects backward and lateralward fr...   » Read the article

Encyclopedia - Parietal Bone: Encyclopedia Ii - Parietal Bone - Surfaces
Parietal bone - External. The external surface [Fig. 1] is convex, smooth, and marked near the center by an eminence, the parietal emin...   » Read the article

Encyclopedia - Pisiform Bone: Encyclopedia Ii - Pisiform Bone - Overview Of Anatomy
The pisiform bone may be known by its small size, and by its presenting a single articular facet. It is situated on a plane anterior to t...   » Read the article

Encyclopedia - Occipital Bone: Encyclopedia Ii - Occipital Bone - The Squama
The squama (squama occipitalis), situated above and behind the foramen magnum, is curved from above downward and from side to side. Occi...   » Read the article

Encyclopedia - Navicular Bone: Encyclopedia Ii - Navicular Bone - Human Anatomy
The navicular bone (also called the navicular or scaphoid) is one of the tarsal bones, found in the foot. Its name derives from the bone'...   » Read the article

Encyclopedia - Cubit: Encyclopedia Ii - Cubit - History Of The Different Cubits
Cubit - The Sumerian Nippur cubit and the Egyptian royal cubit. The cubit is among the first recorded units of length used by an ancien...   » Read the article

Encyclopedia - Metatarsus: Encyclopedia Ii - Metatarsus - Characteristics Of The Individual Metatarsal Bones
Metatarsus - The first metatarsal bone. ('os metatarsale I; metatarsal bone of the great toe') [Fig. 1] The first metatarsal bone is re...   » Read the article

Encyclopedia - Nasal Bone: Encyclopedia Ii - Nasal Bone - Articulations
The nasal articulates with four bones: two of the cranium, the frontal and ethmoid, and two of the face, the opposite nasal and the maxil...   » Read the article

Encyclopedia - Lacrimal Bone: Encyclopedia Ii - Lacrimal Bone - Articulations
The lacrimal articulates with four bones: two of the cranium, the frontal and ethmoid, and two of the face, the maxilla and the inferior ...   » Read the article

Encyclopedia - Mandible: Encyclopedia Ii - Mandible - The Ramus
('ramus mandibulæ; perpendicular portion') The ramus is quadrilateral in shape, and has two surfaces, four borders, and two processes. ...   » Read the article

Encyclopedia - Anatomical Terms Of Location: Encyclopedia Ii - Anatomical Terms Of Location - Relative Directions
Structures near the midline are called medial and those near the sides of animals are called lateral. Therefore, medial structures are cl...   » Read the article

Encyclopedia - Fibula: Encyclopedia Ii - Fibula - Borders
The antero-lateral border begins above in front of the head, runs vertically downward to a little below the middle of the bone, and then ...   » Read the article

Encyclopedia - Sternum: Encyclopedia Ii - Sternum - Body
('corpus sterni; gladiolus') The body, considerably longer, narrower, and thinner than the manubrium, attains its greatest breadth close ...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia Ii - Bird Flight - Wing Shape And Flight
The shape of the wing is important in determining the type of flight of which the bird is capable, planform. This restricts the bird in s...   » Read the article

Encyclopedia - Carpus: Encyclopedia Ii - Carpus - The Carpus Ossa Carpi
The carpal bones, eight in number, are arranged in two rows. Those of the proximal row, from the radial to the ulnar side, are: Scaphoi...   » Read the article

Encyclopedia - Aegyptopithecus: Encyclopedia Ii - Aegyptopithecus - Morphology
Aegyptopithecus zeuxis was a species that had a dental formula of 2:1:2:3 on both the upper and lower jaws, with the lower molars increas...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia Ii - Crucifixion - History Of Crucifixion
Crucifixion - Persia and Alexander. Crucifixion probably originated with ancient Persians. There is evidence that captured pirates were...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia Ii - Shroud Of Turin - The Controversy
The origin of the relic is hotly disputed. Those who believe it to have been used in Christ's burial have coined the term sindonology to ...   » Read the article

Encyclopedia - Calcaneus: Encyclopedia Ii - Calcaneus - Human
It articulates with two other tarsal bones, the talus above and the cuboid toward the midfoot. In addition to receiving the weight of the...   » Read the article

Encyclopedia - Palatine Bone: Encyclopedia Ii - Palatine Bone - The Horizontal Part
The horizontal part (pars horizontalis; horizontal plate) [Fig. 1&2] is quadrilateral, and has two surfaces and four borders. Palati...   » Read the article

Encyclopedia - Palatine Bone: Encyclopedia Ii - Palatine Bone - The Vertical Part
The vertical part (pars perpendicularis; perpendicular plate) [Fig. 1&2] is thin, of an oblong form, and presents two surfaces and fo...   » Read the article

Encyclopedia - Occipital Bone: Encyclopedia Ii - Occipital Bone - Basilar Part
The basilar part (pars basilaris) extends forward and upward from the foramen magnum, and presents in front an area more or less quadrila...   » Read the article

Encyclopedia - Metatarsus: Encyclopedia Ii - Metatarsus - Articulations
The base of each metatarsal bone articulates with one or more of the tarsal bones, and the head with one of the first row of phalanges. T...   » Read the article

Encyclopedia - Anatomical Terms Of Location: Encyclopedia Ii - Anatomical Terms Of Location - Relative Motions
Flexion means approximating adjacent parts of the body (usually at a joint) and extension means separating them. For example, the legs ar...   » Read the article

Encyclopedia - Anatomical Terms Of Location: Encyclopedia Ii - Anatomical Terms Of Location - Planes
Anatomical terms of location - General usage. Three basic reference planes are used in zoological anatomy. The sagittal plane divides t...   » Read the article

Encyclopedia - Occipital Bone: Encyclopedia Ii - Occipital Bone - Lateral Parts
The lateral parts (pars lateralis) are situated at the sides of the foramen magnum; on their under surfaces are the condyles for articula...   » Read the article

Encyclopedia - Occipital Bone: Encyclopedia Ii - Occipital Bone - Articulations
The occipital articulates with six bones: the two parietals, the two temporals, the sphenoid, and the atlas. This article was originally ...   » Read the article

Encyclopedia - Palatine Bone: Encyclopedia Ii - Palatine Bone - Articulations
The palatine articulates with six bones: the sphenoid, ethmoid, maxilla, inferior nasal concha, vomer, and opposite palatine. This articl...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia Ii - Shroud Of Turin - Conclusions
The Carbon-14 dating, which was intended to settle the issue conclusively, and did so for many scientists, has not quelled speculation ab...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia Ii - Shroud Of Turin - The Shroud In The Catholic Church
The Catholic Church, owners of the shroud, have made no pronouncements claiming it is Christ's burial shroud, or that it is a forgery. Th...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia Ii - Shroud Of Turin - History
Shroud of Turin - Possible history before the 14th century: The Image of Edessa. There are numerous reports of Jesus' burial shroud, or...   » Read the article

Encyclopedia - Shroud Of Turin: Encyclopedia Ii - Shroud Of Turin - General Observations
The shroud is rectangular, measuring approximately 4.4 x 1.1 m (14.4 x 3.6 ft). The cloth is woven in a herringbone twill and is composed...   » Read the article

Encyclopedia - Sternum: Encyclopedia Ii - Sternum - Overview
The sternum (Figs. 1 to 3) is an elongated, flattened bone, forming the middle portion of the anterior wall of the thorax. Its upper end ...   » Read the article

Encyclopedia - Sternum: Encyclopedia Ii - Sternum - Manubrium
('manubrium sterni') The manubrium is the broad, upper part of the sternum. With a quadrangular shape, wider superiorly and narrower infe...   » Read the article

Encyclopedia - Palatine Bone: Encyclopedia Ii - Palatine Bone - Ossification
The palatine bone is ossified in membrane from a single center, which makes its appearance about the sixth or eighth week of fetal life a...   » Read the article

Encyclopedia - Sternum: Encyclopedia Ii - Sternum - Ossification
The sternum originally consists of two cartilaginous bars, situated one on either side of the median plane and connected with the cartila...   » Read the article

Encyclopedia - Parietal Bone: Encyclopedia Ii - Parietal Bone - Ossification
The parietal bone is ossified in membrane from a single center, which appears at the parietal eminence about the eighth week of fetal lif...   » Read the article

Encyclopedia - Sternum: Encyclopedia Ii - Sternum - Xiphoid Process
('processus xiphoideus; ensiform or xiphoid appendix') The xiphoid process is the smallest of the three pieces: it is thin and elongated,...   » Read the article

Encyclopedia - Anatomical Terms Of Location: Encyclopedia Ii - Anatomical Terms Of Location - Directions
Anatomical terms of location - General usage. Animals typically have one end with a head and mouth, with the opposite end often having ...   » Read the article

Encyclopedia - Maxilla: Encyclopedia Ii - Maxilla - Processes
Maxilla - The zygomatic process. ('processus zygomaticus; malar process') The zygomatic process is a rough triangular eminence, situate...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia Ii - Crucifixion - Details Of Crucifixion
Crucifixion was hardly (if ever) performed for ritual or symbolic reasons; usually, its purpose was only to provide a particularly painfu...   » Read the article

Encyclopedia - Evidence Of Evolution: Encyclopedia Ii - Evidence Of Evolution - Evidence From Comparative Anatomy
Comparative study of the anatomy of groups of animals or plants reveals that certain structural features are basically similar. For examp...   » Read the article

Encyclopedia - Evidence Of Evolution: Encyclopedia Ii - Evidence Of Evolution - Evidence From Geographical Distribution
Biologists have discovered many puzzling facts about the presence of certain species on various continents and islands (biogeography). A...   » Read the article

Encyclopedia - Evidence Of Evolution: Encyclopedia Ii - Evidence Of Evolution - Evidence From Comparative Physiology And Biochemistry
Evidence of evolution - Serological studies. Evidence of evolution - Evolution of widely distributed proteins. ... See also:Evid...   » Read the article

Encyclopedia - Ethmoid Bone: Encyclopedia Ii - Ethmoid Bone - Articulations
The ethmoid articulates with fifteen bones: four of the cranium—the frontal, the sphenoid, and the two sphenoidal conchæ; and eleven o...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia Ii - Crucifixion - Location Of The Nails
For the sake of expediency, the victim was probably affixed to the cross by ropes, nails, or some combination of the two. In popular depi...   » Read the article

Encyclopedia - Mandible: Encyclopedia Ii - Mandible - The Body
('corpus mandibulæ') The body is curved somewhat like a horseshoe and has two surfaces and two borders. Mandible - Surfaces. The exte...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia Ii - Crucifixion - Archeological Evidence For Ancient Crucifixion
Despite the fact that the ancient Jewish historian Josephus, as well as other sources, refer to the crucifixion of thousands of people by...   » Read the article

Encyclopedia - Mandible: Encyclopedia Ii - Mandible - Ossification
The mandible is ossified in the fibrous membrane covering the outer surfaces of Meckel's cartilages. These cartilages form the cartilagin...   » Read the article

Encyclopedia - Mandible: Encyclopedia Ii - Mandible - Changes Produced In The Mandible By Age
At birth [Fig. 7] the body of the bone is a mere shell, containing the sockets of the two incisor, the canine, and the two deciduous mola...   » Read the article

Encyclopedia - Frontal Bone: Encyclopedia Ii - Frontal Bone - Orbital Or Horizontal Part
This portion (pars orbitalis) consists of two thin triangular plates, the orbital plates, which form the vaults of the orbits, and are se...   » Read the article

Encyclopedia - Frontal Bone: Encyclopedia Ii - Frontal Bone - Articulations
The frontal articulates with twelve bones: the sphenoid, the ethmoid, the two parietals, the two nasals, the two maxillæ, the two lacrim...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia Ii - Bird Flight - Evolution And Purpose Of Bird Flight
The origin of bird flight is still somewhat unclear, even though most paleontologists agree that birds evolved from small theropod dinosa...   » Read the article

Encyclopedia - Maxilla: Encyclopedia Ii - Maxilla - The Maxillary Sinus Antrum Of Highmore
('sinus maxillaris') The maxillary sinus is a large pyramidal cavity, within the body of the maxilla: its apex, directed lateralward, is ...   » Read the article

Encyclopedia - Crucifixion: Encyclopedia Ii - Crucifixion - Modern Crucifixions Without Death
Crucifixion - Crucifixion as a devotional practice. Since at least the mid-1800s, a group of Catholic flagellants in New Mexico called ...   » Read the article

Encyclopedia - Maxilla: Encyclopedia Ii - Maxilla - Ossification
The maxilla is ossified in membrane. Mall 40 and Fawcett 41 maintain that it is ossified from two centers only, one for the maxilla prope...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia Ii - Bird Flight - Basic Mechanics Of Bird Flight
The fundamentals of bird flight are similar to those of aircraft. Lift force is produced by the action of air-flow on the wing, which is ...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia Ii - Bird Flight - Hovering
Hovering is a demanding but useful ability used by several species of birds (and specialized in by one family). Hovering, literally gener...   » Read the article

Encyclopedia - Fibula: Encyclopedia Ii - Fibula - Surfaces
The anterior surface is the interval between the antero-lateral and antero-medial borders. It is extremely narrow and flat in the upper t...   » Read the article

Encyclopedia - Joint: Encyclopedia Ii - Joint - Structural Classification
Structurally, joints are classified as: fibrous - bones are connected by fibrous connective tissue. cartilaginous - bones are connected ...   » Read the article

Encyclopedia - Humerus: Encyclopedia Ii - Humerus - Articulations
The head of the humerus (caput humeri) articulates with the glenoid cavity of the scapula at the glenohumeral joint. Also known as the "s...   » Read the article

Encyclopedia - Maxilla: Encyclopedia Ii - Maxilla - Changes Produced In The Maxilla By Age
At birth the transverse and antero-posterior diameters of the bone are each greater than the vertical. The frontal process is well-marked...   » Read the article

Encyclopedia - Bird Flight: Encyclopedia Ii - Bird Flight - Take-off And Landing
Take-off can be one of the most energetically demanding aspects of flight, as the bird needs to generate enough airflow under the wing to...   » Read the article

Article - Popular Pages Sitemap Ix - U
This is a sitemap for Popular Pages IX - U . Click on a link and you will find multiple definitions and articles related to the word. ...   » Read the article