| 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) |
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| 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 spinalis nervi accessorii | <anatomy> An alternate term for spinal root of accessory nerve. (05 Mar 2000) |
| 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) |
| pars sternocostalis musculi pectoralis majoris | pars sternocostalis musculi pectoralis majoris, sternocostal head of pectoralis major |
| pars subcutanea musculi sphincteri ani externi | pars subcutanea musculi sphincteri ani externi, subcutaneous portion of external anal sphincter |
| pars sublentiformis capsulae internae | The part of the internal capsule below the caudal third of the lentiform nucleus that contains the auditory radiation as well as that part of the optic radiation representing the upper part of the contralateral half of the binocular visual field. Synonym: pars sublentiformis capsulae internae, sublenticular limb of internal capsule. (05 Mar 2000) |
| pars superficialis glandulae parotideae | pars superficialis glandulae parotideae |
| pars superficialis musculi masseteri | pars superficialis musculi masseteri |