roof of tympanic cavity
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Membranous wall of tympanic cavity — Coronal section of right temporal bone. The m … Wikipedia
Mastoid wall of tympanic cavity — Coronal section of right temporal bone. The medi … Wikipedia
roof — A covering or rooflike structure; e.g., a tectorium, tectum, tegmen, tegmentum, integument. [A.S. hrof] r. of fourth ventricle [TA] SYN: tegmen ventriculi quarti. r. of mouth SYN: palate. r. of … Medical dictionary
cavity — 1. A hollow space; hole. See cave, c., cavitas, cavernous space. 2. Lay term for the loss of tooth structure due to dental caries. SYN: cavum [TA], cavitas. [L. cavus … Medical dictionary
wall — 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 … Medical dictionary
paries tegmentalis cavitatis tympani — [TA] tegmental wall of tympanic cavity: the upper surface of the cavity, formed by part of the petrous portion of the temporal bone. Called also roof of tympanic cavity and roof of tympanum. See also tegmen tympani … Medical dictionary
ear, 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 … Universalium
human 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… … Universalium
reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… … Universalium
recess — A small hollow or indentation. SYN: recessus [TA]. [L. recessus] anterior r. a circumscript deepening of the interpeduncular fossa in the direction of the mamillary bodies. SYN: recessus anterior [TA]. anterior r. of tympanic … Medical dictionary
