| lateral layer of cartilaginous auditory tube | The narrow lateral portion of the cartilaginous part of the auditory tube. Synonym: lamina lateralis cartilaginis tubae auditivae, lamina cartilaginis lateralis tubae auditivae, lateral cartilaginous layer, lateral layer of cartilaginous auditory tube. (05 Mar 2000) |
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| fundus of internal auditory meatus | The thin cribriform plate of bone separating the cochlea and vestibule from the internal acoustic meatus; a transverse crest divides it into two regions; in the superior region are located the area nervi facialis and the area vestibularis superior; in the inferior region are located the area cochleae, area vestibularis inferior, and foramen singulare. Synonym: fundus meatus acustici interni, fundus of internal auditory meatus. (05 Mar 2000) |
| ligaments of auditory ossicles | The ligaments connecting the ear bones with one another and with the walls of the tympanic cavity. Synonym: ligamenta ossiculorum auditus. (05 Mar 2000) |
| anal region | The posterior portion of the perineal region through which the anal canal opens; bounded by a line through both isehial tuberosities, the sacrotuberous ligaments and the coccyx. Synonym: regio analis, anal region. (05 Mar 2000) |
| ankle region | The region of the lower limb between the leg (crus) and the foot (pes). Synonym: regio talocruralis. (05 Mar 2000) |
| anterior antebrachial region | The area between the radial and ulnar borders of the forearm anteriorly. Synonym: facies antebrachialis anterior, regio antebrachialis anterior, anterior antebrachial region, anterior surface of forearm, facies anterior antebrachii. (05 Mar 2000) |
| anterior brachial region | The anterior region of the arm. (05 Mar 2000) |
| anterior carpal region | The anterior part of the wrist. Synonym: regio carpalis anterior. (05 Mar 2000) |
| anterior crural region | The anterior surface of the inferior limb between the knee and the ankle. Synonym: facies cruralis anterior, regio cruralis anterior, anterior crural region, anterior surface of leg, facies anterior cruris. (05 Mar 2000) |
| anterior cubital region | The area in front of the elbow, including the cubital fossa. Synonym: facies cubitalis anterior, regio cubitalis anterior, anterior cubital region, anterior surface of elbow. (05 Mar 2000) |
| anterior hypothalamic region | The rostral portion of the hypothalamus that includes preoptic, supraoptic, paraventricular and anterior hypothalamic nuclei; the hypothalamic structures located internally in the general area of the optic chiasm. (05 Mar 2000) |
| anterior knee region | The anterior region of the knee. Synonym: regio genus anterior. (05 Mar 2000) |
| anterior region of arm | Area between deltoid region superiorly and anterior region of elbow inferiorly. Synonym: facies brachialis anterior, regio brachialis anterior, anterior surface of arm, facies anterior brachii. (05 Mar 2000) |
| anterior region of elbow | The area in front of the elbow, including the cubital fossa. Synonym: facies cubitalis anterior, regio cubitalis anterior, anterior cubital region, anterior surface of elbow. (05 Mar 2000) |
| anterior region of forearm | The area between the radial and ulnar borders of the forearm anteriorly. Synonym: facies antebrachialis anterior, regio antebrachialis anterior, anterior antebrachial region, anterior surface of forearm, facies anterior antebrachii. (05 Mar 2000) |