| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
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| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |
| PDB | Paget disease of bone; paradichlorobenzene; patient's database; phosphorus-dissolving bacteria; prev... |
| RBF | regional blood flow; regional bone mass; renal blood flow |
| TBBM | total body bone minerals |
| fossa intermesocolica transversa | A fossa occupying the position of the superior duodenal recess but extending transversely from right to left for a few cms. (05 Mar 2000) |
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| fossa interpeduncularis | Deep depression on the inferior surface of the mesencephalon, between the crura cerebri, the floor of which is formed by the posterior perforated substance. See: interpeduncular cistern. Synonym: fossa interpeduncularis. (05 Mar 2000) |
| fossa ischiorectalis | A wedge-shaped space with its base toward the perineum and lying between the tuberosity of the ischium and the obturator internus muscle laterally and the external anal sphincter and the levator ani muscle medially. Synonym: fossa ischiorectalis, ischioanal fossa, Velpeau's fossa. (05 Mar 2000) |
| lateral cerebral fossa | The deep depression of the basal surface of the forebrain that corresponds in position to the anterior perforated substance. Bounded medially by the optic tract and rostrally by the orbital surface of the frontal lobe, it extends laterally around the overhanging pole of the temporal lobe into the Sylvian fissure (sulcus lateralis). Synonym: fossa lateralis cerebri, fossa of Sylvius, lateral fossa of brain, vallecula sylvii. (05 Mar 2000) |
| fossa jugularis | An oval depression near the posterior border of the petrous portion of the temporal bone, medial to the styloid process, in which lies the beginning of the internal jugular vein (jugular bulb). Synonym: fossa jugularis. (05 Mar 2000) |
| fossa lateralis cerebri | The deep depression of the basal surface of the forebrain that corresponds in position to the anterior perforated substance. Bounded medially by the optic tract and rostrally by the orbital surface of the frontal lobe, it extends laterally around the overhanging pole of the temporal lobe into the Sylvian fissure (sulcus lateralis). Synonym: fossa lateralis cerebri, fossa of Sylvius, lateral fossa of brain, vallecula sylvii. (05 Mar 2000) |
| fossa malleoli fibulae | A large rough depression on the medial aspect of the lower end of the fibula just behind the articular facet for the talus giving attachment to the posterior talofibular and the transverse tibiofibular ligaments. Synonym: fossa malleoli lateralis, digital fossa, fossa malleoli fibulae. (05 Mar 2000) |
| fossa malleoli lateralis | A large rough depression on the medial aspect of the lower end of the fibula just behind the articular facet for the talus giving attachment to the posterior talofibular and the transverse tibiofibular ligaments. Synonym: fossa malleoli lateralis, digital fossa, fossa malleoli fibulae. (05 Mar 2000) |
| fossa mandibularis | A deep hollow in the squamous portion of the temporal bone at the root of the zygoma, in which rests the condyle of the mandible. Synonym: cavitas glenoidalis, fossa mandibularis, articular fossa of temporal bone, glenoid cavity, glenoid fossa, glenoid surface. (05 Mar 2000) |
| fossa navicularis auriculae | The depression at the upper part of the auricle between the two crura of the anthelix. Synonym: fossa triangularis, fossa navicularis auriculae. (05 Mar 2000) |
| fossa navicularis auris | Outmoded term for scapha. (05 Mar 2000) |
| fossa navicularis Cruveilhier | A boat-shaped hollow. A longitudinal hollow on the posterior surface of the superior portion (root) of the medial pterygoid plate; it gives origin to the tensor veli palati muscle. Synonym: fossa scaphoidea ossis sphenoidalis, Cruveilhier's fossa, fossa navicularis Cruveilhier, scaphoid fossa of sphenoid bone. Synonym: scapha. (05 Mar 2000) |
| fossa navicularis urethrae | The terminal dilated portion of the urethra in the glans penis. Synonym: fossa navicularis urethrae, fossa terminalis urethrae, Morgagni's fossa, Morgagni's fovea. (05 Mar 2000) |
| fossa navicularis vestibulae vaginae | The portion of the vestibule of the vagina between the frenulum of the labia minora and the posterior labial commissure of the vulva. Synonym: fossa vestibuli vaginae, fossa navicularis vestibulae vaginae, vestibular fossa. (05 Mar 2000) |
| fossa of anthelix | The depression on the medial surface of the auricle that corresponds to the anthelix. Synonym: fossa anthelicis, periconchal sulcus. (05 Mar 2000) |