35 results found

Search Results for: cleft

Natal cleft

Definition noun (1) The cleft or sulcus as a result of the anchoring of the deep layers of the skin to the anococcygeal... Read More

First visceral cleft

First visceral cleft --> hyomandibular cleft (Science: anatomy) The cleft between the hyoid and mandibular arches of the... Read More

Hyomandibular cleft

Hyomandibular cleft (Science: anatomy) The cleft between the hyoid and mandibular arches of the embryo; the external... Read More

Synaptic cleft

Definition noun The minute gap between presynaptic cell and postsynaptic cell in a chemical synapse, across which the... Read More

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More


Definition noun, plural: crevices (1) A narrow crack or opening, especially in a solid substance like rock or ice. (2)... Read More


split 1. To divide lengthwise; to separate from end to end, especially. By force; to divide in the direction of the grain... Read More


spire To breathe. Origin: L. Spirare to breathe. See Spirit. 1. A slender stalk or blade in vegetation; as, a spire grass or... Read More


Acetylcholine (Science: chemical, neurology, physiology) a chemical found in vertebrate neurons that carries information... Read More

External urethral orifice

Definition noun The meatus of the urethra where urine is excreted in both males and females, and where semen is ejected in... Read More


Definition (zoology) Plural form of neuropodium, the ventral lobe or branch of a parapodium (neuroanatomy) synaptic... Read More


Fissure (Science: anatomy) Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which... Read More


palatorrhaphy suture of a cleft palate. Synonym: staphylorrhaphy, uraniscorrhaphy, uranorrhaphy, velosynthesis. Origin:... Read More


Definition noun The embryological failure of the neural tube to fuse or close completely thereby resulting in the vertebrae... Read More


Breach Origin: oe. Breke, breche, as. Brice, gebrice, gebrece (in comp), fr. Brecan to break; akin to dan. Braek, MHG.... Read More

Axon hillock

Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More


spiracle 1. (Science: anatomy) The nostril, or one of the nostrils, of whales, porpoises, and allied animals. 2. (Science:... Read More


neurotransmitter Any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron... Read More


Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More


pin To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. Aa if she would pin her to her... Read More


prolabium 1. The exposed carmine margin of the lip. 2. The isolated central soft-tissue segment of the upper lip in the... Read More


zest 1. A piece of orange or lemon peel, or the aromatic oil which may be squeezed from such peel, used to give flavor to... Read More


palm 1. (Science: anatomy) The inner and somewhat concave part of the hand between the bases of the fingers and the wrist.... Read More


tally Origin: OE. Taile, taille, F. Taille a cutting, cut tally, fr. Tailler to cut, but influenced probably by taille, p.p.... Read More


Gaba --> gamma aminobutyric acid (Science: biochemistry) An important amino acid which functions as the most prevalent... Read More


quarter 1. One of four equal parts into which anything is divided, or is regarded as divided; a fourth part or portion; as,... Read More


vent To snuff; to breathe or puff out; to snort. Origin: Cf. F. Venter to blow, vent wind (see Ventilate); but prob... Read More

Oral cavity

oral cavity The region consisting of the vestibulum oris, the narrow cleft between the lips and cheeks, and the teeth and... Read More


tally Origin: OE. Taile, taille, F. Taille a cutting, cut tally, fr. Tailler to cut, but influenced probably by taille, p.p.... Read More


Gall 1. To fret and wear away by friction; to hurt or break the skin of by rubbing; to chafe; to injure the surface of by... Read More


Incision 1. Cleft, cut, gash. 2. An act or action of... Read More


Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More


Definition noun, plural: tongues (anatomy) The flexible muscular organ situated in the floor of the oral cavity; it is... Read More