| arteria labyrinthi | <anatomy, artery> Internal acoustic meatal branch. A branch of the basilar artery that enters the labyrinth through the internal acoustic meatus. Synonym: arteria labyrinthi, ramus meatus acustici interni, arteria auditiva interna, artery of labyrinth, internal auditory artery. (05 Mar 2000) |
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| rami vestibulares arteriae labyrinthi | Vestibular branches of labyrinthine artery. (05 Mar 2000) |
| ramus cochlearis arteriae labyrinthi | <anatomy, artery> Terminal branch (with vestibular branch) of labyrinthine artery; it divides into multiple fine branches which penetrate canals of modiolus to supply the plexus of the spiral lamina and basilar membrane. Synonym: ramus cochlearis arteriae labyrinthi. (05 Mar 2000) |
| venae labyrinthi | One or more veins accompanying the labyrinthine artery; they drain the internal ear, pass out through the internal acoustic meatus, and empty into the transverse sinus or the inferior petrosal sinus. Synonym: venae labyrinthi, internal auditory veins. (05 Mar 2000) |
| ampulla ossea | A circumscribed dilation of one extremity of each of the three bony saemicircular canals, anterior, posterior, and lateral; each contains an ampulla of the saemicircular ducts. Synonym: ampulla ossea, osseous ampulla. (05 Mar 2000) |
| cataracta ossea | An obsolete term for an ossified cataract. (05 Mar 2000) |
| pars ossea septi nasi | The major portion of the nasal septum supported by the vomer and the perpendicular plate of the ethmoid. Synonym: pars ossea septi nasi. (05 Mar 2000) |
| pars ossea systematis skeletalis | The part of the skeleton composed of bone. Synonym: pars ossea systematis skeletalis. (05 Mar 2000) |
| pars ossea tubae auditivae | The portion of the auditory tube that passes from the tympanic cavity anteromedially through the saemicanal for auditory tube. Synonym: pars ossea tubae auditivae. (05 Mar 2000) |
| crura ossea canalium saemicircularium | The extremities of the bony saemicircular canals in which the corresponding membranous limbs of the saemicircular ducts are located; they are the common bony crus, simple bony crus, and ampullary bony crus. Synonym: crura ossea canalium saemicircularium, limbs of bony saemicircular canals. (05 Mar 2000) |
| substantia ossea dentis | <dentistry> A bony substance covering the root of a tooth. (08 Jan 1998) |
| lamina spiralis ossea | A double plate of bone winding spirally around the modiolus dividing the spiral canal of the cochlea incompletely into two, scala tympani and scala vestibuli; between the two plates of this lamina the fibres of the cochlear nerve reach the spiral organ (of Corti). Synonym: lamina spiralis ossea, spiral plate. (05 Mar 2000) |
| leontiasis ossea | <radiology> Form of polyostotic fibrous dysplasia, involves skull and facial bones (12 Dec 1998) |
| capsula | 1. A membranous structure, usually dense collagenous connective tissue, that envelops an organ, a joint, or any other part. 2. An anatomical structure resembling a capsule or envelope. Synonym: capsule. Origin: L. Dim. Of capsa, a chest or box (05 Mar 2000) |
| capsula adiposa renis | The perirenal fat. Synonym: capsula adiposa renis, adipose capsule. (05 Mar 2000) |