| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
|---|---|
| PAR | participating provider; passive avoidance reaction; perennial allergic rhinitis; photosynthetically ... |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| PAV | percutaneous aortic valvuloplasty; poikiloderma atrophicans vasculare; posterior arch vein; proporti... |
| PBW | posterior bite wing |
| posterior belly of digastric muscle | <anatomy> Portion of digastric muscle posterior to the intermediate tendon, attaching to the digastric groove of the temporal bone. Synonym: venter posterior musculi digastrici. (05 Mar 2000) |
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| posterior border of eyelids | The posterior edge of the free margin of each eyelid, which is also the border of the conjunctiva. (05 Mar 2000) |
| posterior border of fibula | The ridge on the posterior aspect of the fibula extending from the head to the medial aspect of the peroneal groove. Synonym: margo posterior fibulae. (05 Mar 2000) |
| posterior border of petrous part of temporal bone | The margin of the petrous part of the temporal bone that extends from the apex to the jugular notch; it articulates with the basal and jugular portions of the occipital bone. Synonym: margo posterior partis petrosae ossis temporalis. (05 Mar 2000) |
| posterior border of radius | The ridge on the radius that extends from the tuberosity to the tubercle on the posterior aspect of the distal extremity. Synonym: margo posterior radii. (05 Mar 2000) |
| posterior border of testis | The rounded posterior portion of the testis into which the vessels enter. Synonym: margo posterior testis. (05 Mar 2000) |
| posterior border of ulna | The sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from near the olecranon to the styloid process, demarcating "anterior" (flexor) from "posterior" (extensor) compartments of forearm. Synonym: margo posterior ulnae. (05 Mar 2000) |
| posterior brachial cutaneous nerve | <anatomy, nerve> A branch of the radial nerve supplying the skin of the posterior surface of the arm. Synonym: nervus cutaneus brachii posterior, posterior cutaneous nerve of arm. (05 Mar 2000) |
| posterior brachial region | The back of arm. Synonym: facies brachialis posterior, regio brachialis posterior, posterior brachial region, posterior surface of arm. (05 Mar 2000) |
| posterior branches | Branches directed dorsally or backward. Synonym: rami posteriores. (05 Mar 2000) |
| posterior branch of great auricular nerve | <anatomy, nerve> Provides general sensory fibres to skin of posterior auricle and over mastoid process. Synonym: ramus posterior nervi auricularis magni. (05 Mar 2000) |
| posterior branch of inferior pancreaticoduodenal artery | <anatomy, artery> The more dorsal of the two branches into which the inferior pancreaticoduodenal artery bifurcates; supplies uncinate process and head of pancreas, as well as the third and fourth parts of the duodenum; anastomoses with the posterior branch of the superior pancreaticuduodenal artery. Synonym: ramus posterior arteriae pancreaticoduodenalis inferioris. (05 Mar 2000) |
| posterior branch of lateral cerebral sulcus | The long, posteriorly-directed continuation of the lateral cerebral sulcus which extends between the temporal lobe inferiorly and the parietal lobe superiorly, its termination surrounded by the supramarginal gyrus. Synonym: ramus posterior sulci lateralis cerebri. (05 Mar 2000) |
| posterior branch of obturator artery | <anatomy, artery> Branch of obturator artery giving rise to acetabular branch and supplying muscles attached to ischium. Synonym: ramus posterior arteriae obturatoriae. (05 Mar 2000) |
| posterior branch of obturator nerve | <anatomy, nerve> Branch supplying obturator externus muscle, then passing posterior to adductor brevis, supplying it and the adductor portion of the adductor magnus muscle. Synonym: ramus posterior nervi obturatorii. (05 Mar 2000) |