| PO | by mouth, orally [Lat. per os]; parieto-occipital; parietal operculum; period of onset; perioperativ... |
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| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
| Pz | 4-phenylazobenzylycarbonyl; parietal midline electrode placement in electroencephalography |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
| parietal border of temporal bone | The border of the squamous part of the temporal bone that articulates with the parietal bone. Synonym: margo parietalis ossis temporalis. (05 Mar 2000) |
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| parietal branch | Branches coursing in relationship to and supplying the parietal bone or parietal lobe of cerebrum, branches distributed to the body wall and limbs (the "parities") as opposed to visceral branches distributed to the body cavities. For example, the gray rami communicantes are the parietal branches of the sympathetic trunks (vs. The splanchnic nerves, which are visceral branches of the trunks). Synonym: rami parietales. (05 Mar 2000) |
| parietal branch of medial occipital artery | <anatomy, artery> An anterior branch of the medial occipital artery supplying the posterior section of the parietal lobe of the cerebrum. Synonym: ramus parietalis arteriae occipitalis medialis. (05 Mar 2000) |
| parietal branch of middle meningeal artery | <anatomy, artery> Smaller terminal branch (with frontal branch) of middle meningeal artery supplying posterior portion of lateral and superior dura and cranium. Synonym: ramus parietalis arteriae meningeae mediae. (05 Mar 2000) |
| parietal branch of superficial temporal artery | <anatomy, artery> Branches coursing in relationship to and/or supplying the parietal lobe of the brain. Synonym: ramus parietalis arteriae temporalis superficialis. (05 Mar 2000) |
| parietal cell | One of the cell's of the gastric glands; it lies upon the basement membrane, covered by the chief cell's, and secretes hydrochloric acid that reaches the lumen of the gland through fine intracellular and intercellular canals (canaliculi). Synonym: acid cell, oxyntic cell. (05 Mar 2000) |
| parietal cells, gastric | Cells of the gastric glands which secrete hydrochloric acid and intrinsic factor. (12 Dec 1998) |
| parietal eminence | A prominent portion of the parietal bone, a little above the centre of its external surface, usually corresponding to the point of maximum width of the head. Synonym: tuber parietale, eminentia parietalis, parietal tuber. (05 Mar 2000) |
| parietal emissary vein | <anatomy, vein> The vein that connects the superior sagittal sinus with the tributaries of the superficial temporal vein and other veins of the scalp. Synonym: vena emissaria parietalis, emissarium parietale, Santorini's vein. (05 Mar 2000) |
| parietal eye | A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. Synonym: epiphysial eye, parietal eye. (05 Mar 2000) |
| parietal fistula | A fistula, either blind or complete, opening on the wall of the thorax or abdomen. Synonym: thoracic fistula. (05 Mar 2000) |
| parietal foramen | An inconstant foramen in the parietal bone occasionally found bilaterally near the sagittal margin posteriorly; when present it transmits an emissary vein to the superior sagittal sinus. Synonym: foramen parietale. (05 Mar 2000) |
| parietal hernia | A hernia in which only a portion of the wall of the intestine is engaged. Synonym: Littre's hernia, partial enterocele, Richter's hernia. (05 Mar 2000) |
| parietal lobe | Part of the brain and specifically a section of thecerebral hemisphere. (12 Dec 1998) |
| parietal lobe epilepsy | A localization-related epilepsy where seizures originate within the parietal lobe. Seizure semiology may involve abnormalities of sensation. (05 Mar 2000) |