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The northern pike (Esox lucius) is a species of carnivorous fish of the genus Esox (pikes). They are commonly found in moderately salty and fresh waters...

An action potential occurs when the membrane potential of a specific cell rapidly rises and falls. This depolarization then causes adjacent locations to...

The Key lime or acid lime (Citrus × aurantiifolia or C. aurantifolia) is a citrus hybrid (C. hystrix × C. medica) native to tropical Southeast Asia. It...

Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails. Typically...

Digestion is the breakdown of large insoluble food compounds into small water-soluble components so that they can be absorbed into the blood plasma. In...

Mathematical and theoretical biology, or biomathematics, is a branch of biology which employs theoretical analysis, mathematical models and abstractions...

alpha-1 (α1) adrenergic receptors are G protein-coupled receptors (GPCRs) associated with the Gq heterotrimeric G protein. α1-adrenergic receptors are...

Bos (from Latin bōs: cow, ox, bull) is a genus of bovines, which includes, among others, wild and domestic cattle. Bos is often divided into four subgenera:...

Triiodothyronine, also known as T3, is a thyroid hormone. It affects almost every physiological process in the body, including growth and development,...

Fish physiology is the scientific study of how the component parts of fish function together in the living fish. It can be contrasted with fish anatomy...

The Moluccan eclectus (Eclectus roratus) is a parrot native to the Maluku Islands (Moluccas). It is unusual in the parrot family for its extreme sexual...

Alpinia galanga, a plant in the ginger family, bears a rhizome used largely as an herb in Unani medicine and as a spice in Arab cuisine and Southeast Asian...

Megaladapis, informally known as the koala lemur, is an extinct genus of lemurs belonging to the family Megaladapidae, consisting of three species that...

Hirudo medicinalis, or the European medicinal leech, is one of several species of leeches used as medicinal leeches. Other species of Hirudo sometimes...

Dicrocoelium dendriticum, the lancet liver fluke, is a parasite fluke that tends to live in cattle or other grazing mammals. Much of what is presently...

The following is a list of Playboy Playmates of 1996. Playboy magazine names its Playmate of the Month each month throughout the year. Victoria Alynette...

The Panamanian golden frog (Atelopus zeteki), also known as Cerro Campana stubfoot toad and other names, is a species of toad endemic to Panama. Panamanian...

A cattle crush (in UK, New Zealand, Ireland, Botswana and Australia), squeeze chute (North America), cattle chute (North America), standing stock, or simply...

Allium stipitatum, Persian shallot, is an Asian species of onion native to central and southwestern Asia. Some sources regard Allium stipitatum and A....

The bullsnake (Pituophis catenifer sayi) is a large, nonvenomous, colubrid snake. It is a subspecies of the gopher snake (Pituophis catenifer). The bullsnake...