fibrous layer of tympanic membrane
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fibrous stratum of tympanic membrane — the middle layer of the membrane, consisting of radiating fibers externally (stratum radiatum) and circular fibers internally (stratum circulare). Called also fibrous layer of tympanic membrane … Medical dictionary
stratum circulare of tympanic membrane — circular layer of tympanic membrane: the inner part of the fibrous stratum of the membrane, consisting of circularly coursing fibers deep to the mucous layer of the tympanic membrane; it is best developed near the periphery … Medical dictionary
stratum radiatum of tympanic membrane — radiate layer of tympanic membrane: the outer part of the fibrous stratum of the membrane, consisting of fibers radiating outward from the manubrium of the malleus to pass into the fibrocartilaginous ring … Medical dictionary
membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m … Medical dictionary
layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam … Medical dictionary
stratum — 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.… … 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
sound reception — Introduction response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly … Universalium
Muscle — 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… … Medical dictionary
