| pars profunda musculi sphincteri ani externi | pars profunda musculi sphincteri ani externi |
|---|---|
| pars prostatica urethrae | The prostatic part of the male urethra, about 2.5 cm in length, that traverses the prostate; it includes the seminal colliculus, and the ejaculatory and prostatic ducts open into it. Synonym: pars prostatica urethrae. (05 Mar 2000) |
| pars pterygopharyngea musculi constrictoris pharyngis superioris | pars pterygopharyngea musculi constrictoris pharyngis superioris |
| pars pylorica gastris | pyloric part of stomach |
| pars pylorica ventriculi | <anatomy> An alternate term for pyloric part of stomach. (05 Mar 2000) |
| pars quadrata hepatis | The part of the medial segment of the liver which includes the quadrate lobe. Synonym: pars quadrata hepatis. (05 Mar 2000) |
| pars radiata lobuli corticalis renis | The centre of the renal lobule, which has the shape of a small, steep pyramid, consisting of straight tubular parts; these may be either ascending or descending limbs of the nephronic loop or collecting tubules. Synonym: pars radiata lobuli corticalis renis, Ferrein's pyramid, processus ferreini. (05 Mar 2000) |
| pars recta musculi cricothyroidei | cricothyroid muscle |
| pars retrolentiformis capsulae internae | That portion of the capsule caudal to the lentiform nucleus which contains large parts of the optic or geniculocalcarine radiation and other fibre systems. Synonym: pars retrolentiformis capsulae internae, retrolenticular limb of internal capsule. (05 Mar 2000) |
| pars sacralis medullae spinalis | 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) |
| pars sellaris | <anatomy> A transverse depression crossing the midline on the superior surface of the body of the sphenoid bone and containing the pituitary gland. It is named "turkish saddle" from its resemblance to the saddle used by turks. (12 Dec 1998) |
| pars sphenoidalis arteriae cerebralis mediae | pars sphenoidalis arteriae cerebralis mediae |
| pars spongiosa urethrae masculinae | 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) |
| pars squamosa ossis temporalis | The broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault. Synonym: pars squamosa ossis temporalis, squama temporalis, temporal squama. (05 Mar 2000) |
| pars sternalis diaphragmatis | The small slip on each side that arises from the inner surface of the xiphoid process and inserts on the central tendon. Synonym: pars sternalis diaphragmatis. (05 Mar 2000) |