| FOC | fronto-occipital circumference |
|---|---|
| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
| occ | occasional; occiput, occipital; occlusion; occlusive; occupation; occurrence |
| occip | occiput, occipital |
| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
| 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 layer | The outer layer of an enveloping sac or bursa, usually lining the walls of the cavity or space occupied by the enveloped structure, the structure itself being covered with the inner or visceral layer of the enveloping sac; an actual or potential space is enclosed by the two layers and intervenes between parietal and visceral layers. The parietal layer is usually the more substantial layer. Synonym: lamina parietalis. (05 Mar 2000) |
| parietal layer of leptomeninges | Like a cobweb, covered with or consisting of soft fibres or hairs so entangled as to give a cobwebby appearance. (09 Oct 1997) |
| parietal layer of serous pericardium | The outer part of the serous pericardium suported by the fibrous pericardium. Synonym: lamina parietalis pericardii. (05 Mar 2000) |
| parietal layer of tunica vaginalis | The outer part of the tunica vaginalis testis supported by the internal spermatic fascia. Synonym: lamina parietalis tunicae vaginalis testis. (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) |
| parietal lobe of cerebrum | The middle portion of each cerebral hemisphere, separated from the frontal lobe by the central sulcus, from the temporal lobe by the lateral sulcus in front and an imaginary line projected posteriorly, and from the occipital lobe only partially by the parieto-occipital sulcus on its medial aspect. Synonym: lobus parietalis cerebri, parietal lobe. (05 Mar 2000) |
| parietal lymph nodes | The lymph nodes draining the walls of the abdomen or of the pelvis. Synonym: nodi lymphatici parietales, parietal nodes. (05 Mar 2000) |
| parietal nodes | The lymph nodes draining the walls of the abdomen or of the pelvis. Synonym: nodi lymphatici parietales, parietal nodes. (05 Mar 2000) |
| parietal notch | The angle posteriorly between the squamous and petrous parts of the temporal bone. Synonym: incisura parietalis. (05 Mar 2000) |
| parietal pelvic fascia | Including the obturator fascia, covers the muscles that pass from the interior of the pelvis to the thigh. Synonym: fascia pelvis parietalis. (05 Mar 2000) |
| parietal plate | The outer of the two layers of the lateral plate mesoderm, which becomes associated with the ectoderm; the ectoderm and parietal plate mesoderm together constitute the somatopleure, the lamina of the ethmoid bone that forms the nasal septum. (05 Mar 2000) |