nasal apex
21Respiratory system — See also: Respiratory tract Respiratory A complete, schematic view of the human respiratory system with their parts and functions. Latin …
22Posterior cranial fossa — Base of the skull. Upper surface. The Posterior cranial fossa is labeled in green. Latin fossa cranii posterior Gray s …
23margin — A boundary, edge, or border, as of a surface or structure. SEE ALSO: border, edge. SYN: margo [TA]. [L. margo, border, edge] acetabular m. [TA] the rim of bone around the acetabulum to whic …
24Romance languages — romance1 (def. 8). [1770 80] * * * Group of related languages derived from Latin, with nearly 920 million native speakers. The major Romance languages French, Spanish, Portuguese, Italian, and Romanian are national languages. French is probably… …
25sinus — sinuslike, adj. /suy neuhs/, n., pl. sinuses. 1. a curve; bend. 2. a curving part or recess. 3. Anat. a. any of various cavities, recesses, or passages, as a hollow in a bone, or a reservoir or channel for venous blood. b. one of the hollow… …
26ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
27part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …
28Dravidian languages — Family of 23 languages indigenous to and spoken principally in South Asia by more than 210 million people. The four major Dravidian languages of southern India Telugu, Tamil, Kannada, and Malayalam have independent scripts and long documented… …
29nervous 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… …
30Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …
