| ADN | antideoxyribonuclease; aortic depressor nerve; associate degree in nursing |
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| AIN | acute interstitial nephritis; American Institute of Nutrition; anterior interosseous nerve |
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
| ANAS | anastomosis; auditory nerve activating substance |
| ANI | acute nerve irritation |
| facial cleft | A cleft resulting from incomplete merging or fusion of embryonic processes normally uniting in the formation of the face, e.g., cleft lip or cleft palate. Synonym: prosopoanoschisis. (05 Mar 2000) |
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| facial colliculus | Prominent portion of the medial eminence, just rostral to the medullary striae in the rhomboidal fossa; it is formed by the internal genu of the facial nerve and the abducens nucleus around which the facial fibres curve. Synonym: colliculus facialis, abducens eminence, eminentia abducentis, eminentia facialis, facial eminence, facial hillock. (05 Mar 2000) |
| facial diplegia | Paralysis of both sides of the face. (05 Mar 2000) |
| facial eczema | A photosensitivity disease of sheep in New Zealand associated with ingestion of plants during periods when autumn rains produce lush growth following seasons of dryness and close grazing; the predisposing cause is hepatic disease, which results from toxins of the fungus Pithomyces chartarum, which grows on the plants. (05 Mar 2000) |
| facial eminence | Prominent portion of the medial eminence, just rostral to the medullary striae in the rhomboidal fossa; it is formed by the internal genu of the facial nerve and the abducens nucleus around which the facial fibres curve. Synonym: colliculus facialis, abducens eminence, eminentia abducentis, eminentia facialis, facial eminence, facial hillock. (05 Mar 2000) |
| facial expression | Observable changes of expression in the face in response to emotional stimuli. (12 Dec 1998) |
| facial hemiatrophy | Atrophy of one half of the face which is sometimes progressive, and is of unknown cause. (12 Dec 1998) |
| facial hemiatrophy of Romberg | Atrophy of one half of the face which is sometimes progressive, and is of unknown cause. (12 Dec 1998) |
| facial hemiplegia | Paralysis of one side of the face, the muscles of the extremities being unaffected. (05 Mar 2000) |
| facial hillock | Prominent portion of the medial eminence, just rostral to the medullary striae in the rhomboidal fossa; it is formed by the internal genu of the facial nerve and the abducens nucleus around which the facial fibres curve. Synonym: colliculus facialis, abducens eminence, eminentia abducentis, eminentia facialis, facial eminence, facial hillock. (05 Mar 2000) |
| facial index | Relation of the length of the face to its maximal width between the zygomatic prominences; to get (05 Mar 2000) |
| facial injuries | General or unspecified injuries to the soft tissue or bony portions of the face. (12 Dec 1998) |
| facial lymph nodes | A chain of lymph nodes lying along the facial vein that receive afferent vessels from the eyelids, nose, cheek, lip, and gums, and send efferent vessels to the submandibular nodes. Synonym: nodi lymphatici faciales. (05 Mar 2000) |
| facial motor nucleus | A group of motor neurons located in the ventrolateral region of the lower pontine tegmentum and innervating the facial muscles, the stapedius muscle in the middle ear, the posterior limb of the musculus digastricus, and the stylohyoid muscle. Synonym: nucleus nervi facialis, facial motor nucleus, motor nucleus of facial nerve, nucleus facialis. (05 Mar 2000) |
| facial muscles | Muscles of facial expression or mimetic muscles that include the numerous muscles supplied by the facial nerve that are attached to and move the skin of the face. (12 Dec 1998) |