| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
|---|---|
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PICA | percutaneous transluminal coronary angioplasty; Porch Index of Communicative Abilities; posterior in... |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| PPA | palpation, percussion, auscultation; pepsin A; phenylpropanolamine; phenylpyruvic acid; Pittsburgh p... |
| palatine vein | <anatomy, vein> Drains the palatine regions and empties into the facial vein. Synonym: vena palatina. (05 Mar 2000) |
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| maxillary surface of palatine bone | The lateral surface of the perpendicular plate of the palatine bone. Synonym: facies maxillaris ossis palatini. (05 Mar 2000) |
| meatal spine | Small bony prominence anterior to the supramastoid pit at the posterosuperior margin of the bony external acoustic meatus. Synonym: spina suprameatica, Henle's spine, meatal spine, spina meatus. (05 Mar 2000) |
| median palatine suture | Line of union between the horizontal plates of the palatine bones, continuing the intermaxillary suture posteriorly. Synonym: sutura palatina mediana. (05 Mar 2000) |
| cervical spine fractures | <radiology> Hyperflexion injury (46-79%), odontoid fracture, simple wedge fracture (stable), tear drop fracture, anterior subluxation, bilateral locked facets (unstable), anterior disc space narrowing, widened interspinous distance, clay shoveler's fracture hyperextension injury (20-38%), anteriorly widened disc space, prevertebral swelling, tear drop fracture, neural arch fracture of C1, subluxation (anterior/posterior), hangman's fracture flexion-rotation injury (12%), unilateral locked facets (stable) vertical compression (12%), Jefferson fracture, burst fracture lateral flexion/shearing (4-6%), uncinate fracture, isolated pillar fracture, transverse process fracture, lateral vertebral compression location (by frequency): C2,C6 greater than C5,C7 greater than C3,C4 greater than C1 see: atlas fracture, axis fracture, unstable fractures (12 Dec 1998) |
| cervical spine fusion | <radiology> (ankylosis) Posterior elements, JRA, vertebral bodies, block vertebrae, Klippel-Feil (12 Dec 1998) |
| mental spine | A slight projection, sometimes two, in the middle line of the posterior surface of the body of the mandible, giving attachment to the geniohyoid muscle (below) and the genioglossus (above). Synonym: spina mentalis, genial tubercle. (05 Mar 2000) |
| greater palatine artery | <anatomy, artery> Anterior branch of descending palatine artery, supplying the gums and mucous membrane of the hard palate. Synonym: arteria palatina major. (05 Mar 2000) |
| greater palatine canal | The canalis formed between the maxilla and palatine bones; it transmits the descending palatine artery and the greater palatine nerve. Synonym: canalis palatinus major, pterygopalatine canal. (05 Mar 2000) |
| greater palatine foramen | An opening in the posterolateral corner of the hard palate opposite the last molar tooth, marking the lower end of the pterygopalatine canal. Synonym: foramen palatinum majus, anterior palatine foramen. (05 Mar 2000) |
| greater palatine groove | A groove on both the body of the maxilla and the perpendicular plate of the palatine bone; when the bones are articulated the grooves form the greater palatine canal. Synonym: sulcus palatinus major, pterygopalatine groove, sulcus for greater palatine nerve, sulcus pterygopalatinus. (05 Mar 2000) |
| greater palatine nerve | <anatomy, nerve> A branch of the pterygopalatine ganglion that passes downward through the greater palatine canal to supply the mucosa and glands of the hard palate, and the anterior part of the soft palate. Synonym: nervus palatinus major. (05 Mar 2000) |
| greater tympanic spine | The anterior edge of the tympanic notch (of Rivinus). Synonym: spina tympanica major. (05 Mar 2000) |
| perpendicular plate of palatine bone | The part of the palatine bone that extends vertically upward from the horizontal lamina; it forms part of the lateral wall of the nasal cavity. Synonym: lamina perpendicularis ossis palatini. (05 Mar 2000) |
| pharyngeal branch of descending palatine artery | <anatomy, artery> May arise as a separate branch or as a continuation of lesser palatine artery. Synonym: ramus pharyngeus arteriae palatini descendens. (05 Mar 2000) |