tympanic membrane
91stratum — One of the layers of differentiated tissue, the aggregate of which forms any given structure, such as the retina or the skin. SEE ALSO: lamina, layer. [L. sterno, pp. stratus, to spread out, strew, ntr. of pp. as noun, s., a bed cover, layer] s.… …
92Tympanosclerosis — Classification and external resources ICD 10 H74.0 ICD 9 385.0 Tympanosclerosis (also known as …
93Glossopharyngeal nerve — Nerve: Glossopharyngeal nerve Plan of upper portions of glossopharyngeal, vagus, and accessory nerves …
94human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
95Middle ear — There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle ear consists of the ear drum (the tympanum or tympanic membrane) and, beyond it, a cavity. This cavity is connected via a canal (the… …
96Malleus — For other uses, see Malleus (disambiguation). Bone: Malleus Left malleus. A. From behind. B. From within …
97Cochlear nerve — Nerve: Cochlear nerve Diagrammatic longitudinal section of the cochlea. (Cochlear nerve is in center, shown as striped.) …
98wall — An investing part enclosing a cavity such as the chest or abdomen, or covering a cell or any anatomic unit. A w., as of the chest, abdomen, or any hollow organ. SYN …
99umbo — 1. [NA] A projecting point of a surface. 2. SYN: u. of tympanic membrane. [L. boss of a shield, a knob] u. membranae tympani [TA] SYN: u. of tympanic membrane. u. of …
100Outer ear — External and middle ear, opened from the front. Right side. The auricula. Lateral surface …
