Search results

Female ejaculation is characterized as an expulsion of fluid from the Skene's gland at the lower end of the urethra during or before an orgasm. It is also...

The rectum (pl.: rectums or recta) is the final straight portion of the large intestine in humans and some other mammals, and the gut in others. The adult...

The great cormorant (Phalacrocorax carbo), known as the black shag or kawau in New Zealand, formerly also known as the great black cormorant across the...

The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language. The timeline of human evolution...

Adenosine deaminase (also known as adenosine aminohydrolase, or ADA) is an enzyme (EC 3.5.4.4) involved in purine metabolism. It is needed for the breakdown...

Cyclic guanosine monophosphate-specific phosphodiesterase type 5 is an enzyme (EC 3.1.4.17) from the phosphodiesterase class. It is found in various tissues...

The tapetum lucidum (Latin for 'bright tapestry, coverlet'; /təˈpiːtəm ˈluːsɪdəm/ tə-PEE-təm LOO-sih-dəm; pl.: tapeta lucida) is a layer of tissue in the...

Chlamydomonadales, also known as Volvocales, are an order of flagellated or pseudociliated green algae, specifically of the Chlorophyceae. Chlamydomonadales...

Roselle (Hibiscus sabdariffa) is a species of flowering plant in the genus Hibiscus that is native to Africa, most likely West Africa. In the 16th and...

The Chrysophyceae, usually called chrysophytes, chrysomonads, golden-brown algae or golden algae, are a large group of algae, found mostly in freshwater...

Uromastyx is a genus of African and Asian lizards in the family Agamidae. Member species are commonly called spiny-tailed lizards, uromastyces, mastigures...

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms...

The 2009 flu pandemic in Oceania, part of an epidemic in 2009 of a new strain of influenza A virus subtype H1N1 causing what has been commonly called swine...

Pittosporum undulatum is a fast-growing tree in the family Pittosporaceae. It is sometimes also known as sweet pittosporum, native daphne, Australian cheesewood...

The Brazilian merganser (Mergus octosetaceus) is a South American diving duck in the Mergus genus. It is one of the most threatened waterfowl species in...

The Influenza A (H1N1), also known as the swine flu, was detected in Venezuela on 28 May. The first infected person was a 22-year-old man in San Antonio...

Illicium anisatum, with common names Japanese star anise, Aniseed tree, and sacred Anise tree, known in Japanese as shikimi (樒, シキミ), is an evergreen shrub...

A posterior vitreous detachment (PVD) is a condition of the eye in which the vitreous membrane separates from the retina. It refers to the separation of...

Pygmy parrots are the smallest members of the parrot order. The six species of pygmy parrots are all in the genus Micropsitta, which is the only genus...

The Papuan king parrot (Alisterus chloropterus), also known as the green-winged king parrot, is a species of parrot in the family Psittaculidae found in...