| 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... |
| musculus depressor septi | <anatomy> A vertical fasciculus from the orbicularis oris musculus passing upward along the median line of the upper lip, and inserted into the cartilaginous septum of the nose; action, depresses septum; nerve supply, facial. Synonym: musculus depressor septi, depressor muscle of septum. (05 Mar 2000) |
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| nucleus accumbens septi | The region of fusion between the head of the caudate nucleus and the putamen, covered on the ventral side by the olfactory tubercle. The name ("a nucleus leaning against the septum") refers to a medial, hook-shaped expansion of this anteroventral region of the striatum which curves under the floor of the frontal horn of the lateral ventricle and ascends for some distance into the ventral half of the septal region. (05 Mar 2000) |
| depressor septi muscle | <anatomy> A vertical fasciculus from the orbicularis oris musculus passing upward along the median line of the upper lip, and inserted into the cartilaginous septum of the nose; action, depresses septum; nerve supply, facial. Synonym: musculus depressor septi, depressor muscle of septum. (05 Mar 2000) |
| tuberculum septi narium | A flat elevation on the septum in each naris opposite the anterior end of the middle concha; it is due to an aggregation of glands. (05 Mar 2000) |
| falx septi | <anatomy> An alternate term for valve of foramen ovale. (05 Mar 2000) |
| lamina septi pellucidi | One of the two thin layers of the transparent septum, which extend from the corpus callosum to the fornix; often separated from each other by a space, the cavity of septum pellucidum. Synonym: lamina septi pellucidi. (05 Mar 2000) |
| agger nasi | An elevation on the lateral wall of the nasal cavity lying between the atrium of the middle meatus and the olfactory sulcus; it is formed by the mucous membrane covering the base of the ethmoidal crest of the maxilla. Synonym: nasal ridge. (05 Mar 2000) |
| ala nasi | The outer more or less flaring wall of each nostril. Synonym: ala nasi, pinna nasi. (05 Mar 2000) |
| apex nasi | Anteriormost pointed end of external nose. Synonym: apex nasi. (05 Mar 2000) |
| arteria dorsalis nasi | Origin, ophthalmic; external artery of the nose; distribution, skin of side of root of nose; anastomoses, angular artery. Synonym: arteria dorsalis nasi, arteria nasi externa, dorsal artery of nose, external artery of nose. (05 Mar 2000) |
| arteria nasi externa | An alternate term for dorsal nasal artery. Arteria nervorum, arteries to nerves. (05 Mar 2000) |
| radix nasi | The upper least protruding portion of the external nose situated between the two orbits. Synonym: radix nasi. (05 Mar 2000) |
| cartilagines nasi | See: lateral cartilage of nose, greater alar cartilage, nasal septal cartilage, cartilago vomeronasalis, lesser alar cartilages, accessory nasal cartilages. Synonym: cartilagines nasi. (05 Mar 2000) |
| cartilago nasi lateralis | The cartilage located in the lateral wall of the nose above the alar cartilage. Synonym: cartilago nasi lateralis. (05 Mar 2000) |
| vestibulum nasi | The anterior part of the nasal cavity, especially that enclosed by cartilage. Synonym: vestibulum nasi. (05 Mar 2000) |