| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
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| 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... |
| deep auricular artery | <anatomy, artery> Origin, first part of maxillary; distribution, articulation of jaw, parotid gland, and external acoustic meatus and external tympanic membrane; anastomoses, auricular branches of superficial temporal and posterior auricular. Synonym: arteria auricularis profunda. (05 Mar 2000) |
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| supra-auricular | <ornithology, zoology> Situated above the ear coverts, or auriculars; said of certain feathers of birds. A supra-auricular feather. Source: Websters Dictionary (01 Mar 1998) |
| supra-auricular point | A craniometric point on the posterior root of the zygomatic process of the temporal bone directly above the auricular point. (05 Mar 2000) |
| infra-auricular deep parotid lymph nodes | Small lymph nodes located deep to the parotid fascia and below the ear. Synonym: nodi lymphatici parotidei profundi infra-auriculares, infra-auricular subfascial parotid lymph nodes. (05 Mar 2000) |
| infra-auricular subfascial parotid lymph nodes | Small lymph nodes located deep to the parotid fascia and below the ear. Synonym: nodi lymphatici parotidei profundi infra-auriculares, infra-auricular subfascial parotid lymph nodes. (05 Mar 2000) |
| intra-auricular | 1. Within an auricle (e.g., of the ear). 2. Obsolete term for intra-atrial. (05 Mar 2000) |
| oblique auricular muscle | <anatomy> A thin band of oblique muscular fibres extending from the upper part of the eminence of the concha to the convexity of the helix, running across the groove corresponding to the inferior crus of the anthelix. Synonym: musculus obliquus auriculae, oblique muscle of auricle, Tod's muscle. (05 Mar 2000) |
| transverse auricular muscle | <anatomy> A band of sparse muscular fibres on the cranial surface of the auricle, extending from the eminence of the concha to the eminence of the scapha. Synonym: musculus transversus auriculae, transverse muscle of auricle. (05 Mar 2000) |
| fibrillation, auricular | Essentially the same as atrial fibrillation. (12 Dec 1998) |
| left auricular appendage | The small conical projection from the left atrium of the heart. Synonym: auricula sinistra, left auricular appendage. (05 Mar 2000) |
| alveolobuccal groove | The upper and lower half of the buccal vestibule on each side. Synonym: alveolobuccal sulcus, gingivobuccal groove, gingivobuccal sulcus. (05 Mar 2000) |
| alveololabial groove | The upper and lower half of the labial vestibule, in the embryo, the groove formed by the deepening of the labial sulcus; its inner wall becomes incorporated with the alveolar process of the mandible or the maxilla, and its outer wall with the lips and cheeks. Synonym: alveololabial sulcus, gingivolabial groove, gingivolabial sulcus. (05 Mar 2000) |
| alveololingual groove | That part of the oral cavity proper, on each side of the frenulum linguae, between the tongue and the mandibular alveolar process or ridge, in the embryo, the groove on each side between the lingual primordium and the alveolar elevations of the mandible. Synonym: alveololingual sulcus, gingivolingual groove, gingivolingual sulcus. (05 Mar 2000) |
| anterior intermediate groove | A furrow occasionally seen in the adult between the anterior median fissure and the anterior lateral sulcus of the spinal cord but usually present only in the foetus. It indicates the lateral border of the anterior corticospinal fasciculus. Synonym: anterior intermediate groove, sulcus intermedius anterior. (05 Mar 2000) |
| anterior interventricular groove | A groove on the anterosuperior surface of the heart, marking the location of the septum between the two ventricles. Synonym: sulcus interventricularis anterior, crena cordis. (05 Mar 2000) |