| pars cavernosa | The portion of the male urethra, about 15 cm in length, which traverses the corpus spongiosum. Synonym: pars spongiosa urethrae masculinae, pars cavernosa, penile urethra, spongy part of the male urethra. (05 Mar 2000) |
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| pars cavernosa arteriae carotidis internae | <anatomy, artery> The tortuous portion of the internal carotid artery located within the cavernous sinus; it has numerous small branches. Synonym: pars cavernosa arteriae carotidis internae. (05 Mar 2000) |
| pars ceca retinae | The embryological anterior part of the retina that evolves into the pars ciliaris retinae and pars iridica retinae. (05 Mar 2000) |
| pars centralis | <anatomy, neurology> Pertaining to the brain, cranial nerves and spinal cord. It does not include muscles or peripheral nerves. In invertebrates, the central nervous system is composed of the segmental ganglia of the ventral nerve cord together with the fused ganglia or brain at the anterior end. Acronym: CNS (12 Jan 1998) |
| pars centralis ventriculi lateralis | The body of the lateral ventricle of the brain, extending from the interventricular foramen (of Monro) to the collateral trigone (i.e., junction of posterior and inferior horns). Synonym: cella media. (05 Mar 2000) |
| pars ceratopharyngea musculi constrictoris pharyngis medii | See: middle constrictor muscle of pharynx. Synonym: pars ceratopharyngea musculi constrictoris pharyngis medii. (05 Mar 2000) |
| pars cerebralis arteriae carotidis internae | <anatomy, artery> The portion of the internal carotid artery that supplies the brain; its branches are: superior hypophyseal, clival, ophthalmic, anterior choroidal, anterior cerebral, and middle cerebral. Synonym: pars cerebralis arteriae carotidis internae. (05 Mar 2000) |
| pars cervicalis arteriae carotidis internae | <anatomy, artery> The unbranched portion located in the neck. Synonym: pars cervicalis arteriae carotidis internae. (05 Mar 2000) |
| pars cervicalis ductus thoracici | The portion of the thoracic duct above the first rib. Synonym: pars cervicalis ductus thoracici. (05 Mar 2000) |
| pars cervicalis medullae spinalis | The part of the spinal cord that consists of the eight cervical segments and gives rise to the first eight pairs of spinal nerves. Synonym: pars cervicalis medullae spinalis. (05 Mar 2000) |
| pars cervicalis oesophagi | The part of the oesophagus located in the neck. See: oesophagus. Synonym: pars cervicalis oesophagi. (05 Mar 2000) |
| pars chondropharyngea musculi constrictoris pharyngea medii | See: middle constrictor muscle of pharynx. Synonym: pars chondropharyngea musculi constrictoris pharyngea medii. (05 Mar 2000) |
| pars ciliaris retinae | pars ciliaris retinae |
| pars clavicularis musculi pectoralis majoris | pars clavicularis musculi pectoralis majoris, clavicular head of pectoralis major |
| pars coccygea medullae spinalis | The terminal part of the spinal cord consisting of the three coccygeal segments of the spinal cord from which the three pairs of coccygeal nerves originate. Synonym: pars coccygea medullae spinalis, segmenta medullae spinalis coccygea. (05 Mar 2000) |