Encyclopedia - Sponge: Encyclopedia - Sponge
Calcarea Hexactinellida Demospongiae The sponges or poriferans (from Latin porus "pore" and ferre "to bear") are animals of the phylum P...   » Read the article

Encyclopedia - Sponge: Encyclopedia Ii - Sponge - Anatomy
Sponges comprise only four types of cells: Choanocytes (also known as "collar cells"), which line the spongocoel and function as the spo...   » Read the article

Encyclopedia - Sponge: Encyclopedia Ii - Sponge - Ecology
Modern sponges are predominantly marine, with some species adapted to freshwater environments, ranging from the inter-tidal zone to depth...   » Read the article

Encyclopedia - Corpus Cavernosum: Encyclopedia - Corpus Cavernosum
A corpus cavernosum is one of a pair of a sponge-like regions of erectile tissue which contain most of the blood in the male penis during...   » Read the article

Encyclopedia - Urethra: Encyclopedia - Urethra
In anatomy, the urethra is a tube which connects the urinary bladder to the outside of the body. The urethra has an excretory function in...   » Read the article

Encyclopedia - Sex Organ: Encyclopedia - Sex Organ
A sex organ, or primary sexual characteristic, narrowly defined, is any of those parts of the body (which are not always bodily organs ac...   » Read the article

Encyclopedia - Dolphin: Encyclopedia - Dolphin
See article below. Dolphins are aquatic mammals related to whales and porpoises. The name is from Ancient Greek δελφίς delphis mea...   » Read the article

Encyclopedia - Corpus Cavernosum: Encyclopedia Ii - Corpus Cavernosum - Male Anatomy
The corpus cavernosum and corpus spongiosum are three expandable erectile tissues along the length of the penis which fill with blood dur...   » Read the article

Encyclopedia - Sea Star: Encyclopedia Ii - Sea Star - Behaviour
Sea star - Reproduction. Most starfish reproduce in a method similar to the sponge. The starfish gather in a group (using environmental...   » Read the article

Encyclopedia - Sea Star: Encyclopedia Ii - Sea Star - Behaviour
Sea star - Reproduction. Most starfish reproduce in a method similar to the sponge. The starfish gather in a group (using environmental...   » Read the article

Encyclopedia - Urethra: Encyclopedia Ii - Urethra - Histology
The epithelium of the urethra starts off as transitional cells as it exits the bladder. Further along the urethra there are stratified co...   » Read the article

Encyclopedia - Urethra: Encyclopedia Ii - Urethra - Anatomy
Men have a longer urethra than women. This means that women tend to be more susceptible to infections of the bladder (cystitis) and the u...   » Read the article

Encyclopedia - Dolphin: Encyclopedia Ii - Dolphin - Evolution And Anatomy Of Dolphins
Dolphins, along with whales and porpoises, are descendants of land-living mammals, most likely of the Artiodactyl order. Modern dolphin s...   » Read the article

Encyclopedia - Sea Star: Encyclopedia Ii - Sea Star - External Anatomy
Sea stars are composed of a central disc with (usually) five arms exhibiting pentaradial symmetry. The mouth is located underneath the se...   » Read the article

Encyclopedia - Sea Star: Encyclopedia Ii - Sea Star - External Anatomy
Sea stars are composed of a central disc from which arms sprout in radial symmetry. Most starfish have five arms, however some have more ...   » Read the article

Encyclopedia - Sea Star: Encyclopedia Ii - Sea Star - Internal Anatomy
The body cavity also contains the water vascular system that operates the tube feet, and the hemal system. Hemal channels form rings arou...   » 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 - Marine Biology: Encyclopedia Ii - Marine Biology - Lifeforms
Marine biology - Microscopic life. Microscopic life undersea is incredibly varied and still poorly understood. For example, at one end ...   » Read the article

Encyclopedia - Marine Biology: Encyclopedia Ii - Marine Biology - Lifeforms
Marine biology - Microscopic life. Microscopic life undersea is incredibly varied and still poorly understood. For example, the role of...   » 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 - Sea Star: Encyclopedia Ii - Sea Star - Internal Anatomy
Inside the sea star underneath the hepatic caeca are the gonads which are involved in reproduction. The space inside the body not occupie...   » 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 Palaeontology
When organisms die, they are often decomposed rapidly or consumed by scavengers, leaving no permanent evidences of their existence. Occas...   » Read the article

Dictionary - Chambers Dictionary: Encyclopedia - Chambers Dictionary
The ninth edition of the Chambers Dictionary of the English language was published in 2003 by Chambers Harrap. Originally published in 19...   » Read the article

Dictionary - Chambers Dictionary: Encyclopedia Ii - Chambers Dictionary - Humorous Definitions
Chambers Dictionary - Piquant definitions from Chambers. abloom adj in a blooming state Agapemone n a religious community of men and w...   » Read the article

Encyclopedia - Sponge: Encyclopedia Ii - Sponge - Taxonomy
Sponges are divided into classes based on the type of spicules in their skeleton. The three classes of sponges are bony (Calcarea), glass...   » Read the article

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