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

Crevice

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

Split

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

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

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

Neuropodia

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

Fissure

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

Palatorrhaphy

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

Rachischisis

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

Breach

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

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

Neurotransmitter

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

Endocytosis

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

Pin

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

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

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

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

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

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

Quarter

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

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

Tallies

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

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

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

Cholesterol

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

Tongue

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