| MTD | Membrana Tympanic Dexter; Right Ear Drum; ¿ìÃø °í¸· |
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| MTS | Membrana Tympanic Sinister; Left Ear Drum; ÁÂÃø °í¸· |
| TM | technology management; tectorial membrane; temperature by mouth; temporalis muscle; temporomandibula... |
| Tymp | tympanum, tympanic |
| TM | Tympanic membrane |
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| roof of tympanic cavity | The superior wall, or roof, of the tympanic cavity, formed by the tegmen tympani of the temporal bone. Synonym: paries tegmentalis cavi tympani, tegmental wall of middle ear. (05 Mar 2000) |
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| roof | 1. To cover with a roof. "I have not seen the remains of any Roman buildings that have not been roofed with vaults or arches." (Addison) 2. To inclose in a house; figuratively, to shelter. "Here had we now our country's honor roofed." (Shak) Origin: Roofed; Roofing. 1. The cover of any building, including the roofing (see Roofing) and all the materials and construction necessary to carry and maintain the same upon the walls or other uprights. In the case of a building with vaulted ceilings protected by an outer roof, some writers call the vault the roof, and the outer protection the roof mask. It is better, however, to consider the vault as the ceiling only, in cases where it has farther covering. 2. That which resembles, or corresponds to, the covering or the ceiling of a house; as, the roof of a cavern; the roof of the mouth. "The flowery roof Showered roses, which the morn repaired." (Milton) 3. <chemical> The surface or bed of rock immediately overlying a bed of coal or a flat vein. Bell roof, French roof, etc. See Plate. Origin: OE. Rof, AS. Hrf top, roof; akin to D. Roef cabin, Icel. Hrf a shed under which ships are built or kept; cf. OS. Hrst roof, Goth. Hrt. Cf. Roost. Source: Websters Dictionary (01 Mar 1998) |
| roof nucleus | The most medial of the cerebellar nuclei, lying medial to the interpositus nucleus, near the midline, in the white matter underneath the vermis of the cerebellar cortex. It receives the axons of Purkinje cells from all parts of the vermis. Its major projection is to the vestibular nuclei and medullary reticular formation. Synonym: nucleus fastigii, fastigatum, nucleus tecti, roof nucleus, tectal nucleus. (05 Mar 2000) |
| roof of fourth ventricle | Roof of fourth ventricle, formed in its upper part by the superior medullary velum stretching between the two brachia conjunctiva (superior cerebellar peduncles), in its lower part by the inferior medullary velum composed of the choroid membrane and choroid plexus of the fourth ventricle. Synonym: roof of fourth ventricle. (05 Mar 2000) |
| roof of mouth | 1. <anatomy> The roof of the mouth. The fixed portion, or palate proper, supported by the maxillary and palatine bones, is called the hard palate to distinguish it from the membranous and muscular curtain which separates the cavity of the mouth from the pharynx and is called the soft palate, or velum. 2. Relish; taste; liking; a sense originating in the mistaken notion that the palate is the organ of taste. "Hard task! to hit the palate of such guests." (Pope) 3. Mental relish; intellectual taste. 4. <botany> A projection in the throat of such flowers as the snapdragon. Origin: L. Palatum: cf. F. Palais, Of. Also palat. Source: Websters Dictionary (01 Mar 1998) |
| roof of orbit | Formed by the orbital plate of the frontal bone and the lesser wing of the sphenoid bone, the optic canal opens at its posterior limit; an indentation, the fossa for the lacrimal gland, is located in the anterolateral part of the roof. Synonym: paries superior orbitae, superior wall of orbit. (05 Mar 2000) |
| roof of skull | <anatomy> The skull cap, roof of the skull (27 Sep 1997) |
| roof of tympanum | The roof of the middle ear, formed by the thinned anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamo tympanic and a petrotympanic fissure. Synonym: roof of tympanum. (05 Mar 2000) |
| roof plate | The thin layer of the embryonic neural tube connecting the alar plate's dorsally. Synonym: dorsal plate of neural tube. (05 Mar 2000) |
| anterior recess of tympanic membrane | A slitlike space on the tympanic wall between the anterior malleolar fold and the tympanic membrane. Synonym: recessus membranae tympani anterior, Troltsch's pockets, Troltsch's recesses. (05 Mar 2000) |
| anterior tympanic artery | <anatomy, artery> Origin, maxillary; distribution, middle ear; anastomoses, tympanic branches of internal carotid and ascending pharyngeal and stylomastoid. Synonym: arteria tympanica anterior, glaserian artery. (05 Mar 2000) |
| anterior wall of tympanic cavity | It contains the carotid canal and the opening of the auditory tube. Synonym: paries caroticus cavi tympani, anterior wall of middle ear, carotid wall of middle ear. (05 Mar 2000) |
| branch of auriculotemporal nerve to tympanic membrane | Sensory branch of the auriculotemporal nerve supplying the external surface of the tympanic membrane. Synonym: ramus membranae tympani nervi auriculotemporalis, nerve of tympanic membrane. (05 Mar 2000) |
| radiate layer of tympanic membrane | The connective tissue layer of the tympanic membrane beneath the stratum cutaneum, the fibres of which radiate from the manubrium of the malleus to the peripheral fibrocartilaginous ring of the membrane; absent from the pars flaccida. Synonym: radiate layer of tympanic membrane. (05 Mar 2000) |
| medial wall of tympanic cavity | A bony layer separating the middle from the internal ear or labyrinth; it contains the fenestra vestibuli and the fenestra cochleae. Synonym: paries labyrinthicus cavi tympani, labyrinthine wall of middle ear, medial wall of middle ear. (05 Mar 2000) |
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