| promontory of the sacrum | The most prominent anterior projection of the base of the sacrum. Synonym: pelvic promontory, promontorium ossis sacri, promontory of the sacrum. (05 Mar 2000) |
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| pelvic promontory | The most prominent anterior projection of the base of the sacrum. Synonym: pelvic promontory, promontorium ossis sacri, promontory of the sacrum. (05 Mar 2000) |
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| sacral promontory | The most prominent anterior projection of the base of the sacrum. Synonym: pelvic promontory, promontorium ossis sacri, promontory of the sacrum. (05 Mar 2000) |
| promontory | Origin: L. Promonturium, promunturium; pro before + mons, montis, mountain: cf. F. Promontoire. See Mount. 1. <physics> A high point of land or rock projecting into the sea beyond the line of coast; a headland; a high cape. "Like one that stands upon a promontory." (Shak) 2. <anatomy> A projecting part. Especially: The projecting angle of the ventral side of the sacrum where it joins the last lumbar vertebra. A prominence on the inner wall of the tympanum of the ear. Source: Websters Dictionary (01 Mar 1998) |
| promontory common iliac lymph nodes | Nodes of the common iliac group located at the promontory of the sacrum. Synonym: nodi lymphatici promontorii, nodi lymphatici iliaci communes promontorii. (05 Mar 2000) |
| promontory of tympanic cavity | A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. (05 Mar 2000) |
| sulcus of promontory of tympanic cavity | A narrow branched groove running vertically over the surface of the promontory in the middle ear, lodging the tympanic plexus. Synonym: sulcus promontorii cavitatis tympanicae. (05 Mar 2000) |
| tympanic promontory | A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. (05 Mar 2000) |
| apex of sacrum | The tapering lower end of the sacrum that articulates with the coccyx. Synonym: apex ossis sacri. (05 Mar 2000) |
| auricular surface of sacrum | The rough articular surface on the lateral aspect of the sacrum that articulates with the ilium on each side. Synonym: facies auricularis ossis sacri. (05 Mar 2000) |
| base of sacrum | The upper end of the sacrum that articulates with the body of the fifth lumbar vertebra in the midline and the alae on either side. Synonym: basis ossis sacri. (05 Mar 2000) |
| pelvic surface of sacrum | The surface of the sacrum that faces downward and forward forming part of the posterior wall of the pelvic cavity. Synonym: facies pelvina ossis sacri. (05 Mar 2000) |
| wing of sacrum | The upper surface of the lateral part of the sacrum adjacent to the body. Synonym: ala sacralis. (05 Mar 2000) |
| sacrum | <anatomy> The triangular-shaped bone lying between the 5th lumbar vertebra and the coccyx (tailbone). It consists of 5 vertebrae fused together and it articulates on each side with the bones of the pelvis (ilium), forming the sacroiliac joints. (17 Dec 1997) |
| superior articular process of sacrum | The large process on each side of the sacrum posteriorly that articulates with the corresponding inferior articular process of the fifth lumbar vertebra. Synonym: processus articularis superior ossis sacri. (05 Mar 2000) |
| dorsal surface of sacrum | The posterosuperior aspect of the sacrum marked by a median and two lateral sacral crests between which four dorsal sacral foramina are located on each side. Synonym: facies dorsalis ossis sacri. (05 Mar 2000) |