| posterior border of petrous part of temporal bone | The margin of the petrous part of the temporal bone that extends from the apex to the jugular notch; it articulates with the basal and jugular portions of the occipital bone. Synonym: margo posterior partis petrosae ossis temporalis. (05 Mar 2000) |
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| posterior part | The posterior portion of the anterior commissure of the brain. (05 Mar 2000) |
| posterior part of the diaphragmatic surface of the liver | That portion of the diaphragmatic surface of the liver that includes the bare area and the caudate lobe. Synonym: pars posterior faciei diaphragmatis hepatis. (05 Mar 2000) |
| cruciform part of fibrous digital sheath | The fibres of the fibrous sheath of the fingers and toes which form X-shaped patterns over the region of the interphalangeal joints. Synonym: pars cruciformis vaginae fibrosae, crucial ligament, cruciform part of fibrous sheath, cruciform pulley, ligamenta cruciata digitorum. (05 Mar 2000) |
| cruciform part of fibrous sheath | The fibres of the fibrous sheath of the fingers and toes which form X-shaped patterns over the region of the interphalangeal joints. Synonym: pars cruciformis vaginae fibrosae, crucial ligament, cruciform part of fibrous sheath, cruciform pulley, ligamenta cruciata digitorum. (05 Mar 2000) |
| posterior surface of petrous part of temporal bone | The surface of the petrous part of the temporal bone that contributes to the posterior cranial fossa. Synonym: facies posterior partis petrosae ossis temporalis. (05 Mar 2000) |
| posterior tibiotalar part of deltoid ligament | <anatomy> The part of the medial or deltoid ligament that extends from the medial malleolus to the posterior process of the talus. Synonym: pars tibiotalaris posterior ligamenti medialis, ligamentum talotibiale posterius, posterior talotibial ligament, posterior tibiotalar part of deltoid ligament. (05 Mar 2000) |
| postlaminar part of optic nerve | <anatomy, nerve> The portion of the optic nerve posterior to the lamina cribrosa of the sclera. Synonym: pars postlaminaris nervi optici. (05 Mar 2000) |
| postsulcal part of tongue | See: dorsum of tongue. (05 Mar 2000) |
| cupular part of epitympanic recess | The dome-shaped, highest portion of the epitympanic recess. Synonym: pars cupularis recessus epitympanici. (05 Mar 2000) |
| precommunical part of anterior cerebral artery | precommunical part of anterior cerebral artery |
| prelaminar part of optic nerve | <anatomy, nerve> The portion of the optic nerve anterior to the lamina cribrosa of the sclera. Synonym: pars prelaminaris nervi optici. (05 Mar 2000) |
| presulcal part of tongue | See: dorsum of tongue. (05 Mar 2000) |
| prevertebral part of vertebral artery | See: vertebral artery. (05 Mar 2000) |
| sacral part of spinal cord | The part of the cord from which consists of the five sacral segments of the spinal cord (S1-S5) and from which five pairs of sacral nerves originate. Synonym: pars sacralis medullae spinalis, segmenta medullae spinalis sacralia. (05 Mar 2000) |