branchial fissure
1Fissure — A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a painful… …
2Branchial clefts — Cleft Cleft, n. [OE. clift; cf. Sw. klyft cave, den, Icel. kluft cleft, Dan. kl[ o]ft, G. kluft. See {Cleave} to split and cf. 2d {Clift}, 1st {Clough}.] 1. A space or opening made by splitting; a crack; a crevice; as, the cleft of a rock. Is. ii …
3cleft — A fissure. anal c. SYN: intergluteal c.. branchial clefts a bilateral series of slitlike openings into the pharynx through which water is drawn by aquatic animals; in the walls of the clefts are the vascular gill filaments that …
4groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… …
5nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
6Cyst — A closed sac or capsule, usually filled with fluid or semisolid material. * * * 1. A bladder. 2. An abnormal sac containing gas, fluid, or a semisolid material, with a membranous lining. SEE ALSO: pseudocyst. [G. kystis, bladder] adventitious c.… …
7Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …
8Cleft — Cleft, n. [OE. clift; cf. Sw. klyft cave, den, Icel. kluft cleft, Dan. kl[ o]ft, G. kluft. See {Cleave} to split and cf. 2d {Clift}, 1st {Clough}.] 1. A space or opening made by splitting; a crack; a crevice; as, the cleft of a rock. Is. ii. 21.… …
9Cranial nerve nucleus — Brain: Cranial nerve nucleus The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (The olfactory and optic centers are not represented.) Latin nucleus nervi cranialis Gray s …
10sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or …
