| buccal node | One of the chain of facial lymph nodes located superficial to the buccinator muscle. Synonym: nodus buccinatorius, buccinator node, buccal node. (05 Mar 2000) |
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| buccal occlusion | Malposition of a tooth toward the cheek, the occlusion as seen from the buccal side of the teeth. (05 Mar 2000) |
| buccal pit | A structural depression found on the buccal enamel of molars. (05 Mar 2000) |
| buccal region | The region of the cheek, corresponding approximately to the outlines of the underlying buccinator muscle. Synonym: regio buccalis. (05 Mar 2000) |
| buccal smear | A cytologic smear containing material obtained by scraping the lateral buccal mucosa above the dentate line, smearing, and fixing immediately; used principally for determining somatic sex as indicated by the presence of the sex chromocenter (Barr body). (05 Mar 2000) |
| buccal surface | The mucosa of the cheek, in prosthodontics, the side of a denture adjacent to the cheek. Synonym: vestibular surface of tooth. (05 Mar 2000) |
| buccal tablet | Usually a small, flat tablet intended to be inserted in the buccal pouch, where the active ingredient is absorbed directly through the oral mucosa; such a tablet dissolves or erodes slowly. (05 Mar 2000) |
| buccal tube | <dentistry> A small metal part that is welded on the outside of a molar bank. The buccal tube contains a slots to hold archwires, lip bumpers, face-bows and other things your orthodontist uses to move your teeth. (08 Jan 1998) |
| buccal vestibule | That part of the oral vestibule related to the cheek. (05 Mar 2000) |
| lingual-facial-buccal dyskinesia | A syndrome of potentially irreversible, involuntary, dyskinetic movements that may develop in patients who have been treated with antipsychotic medications (for example phenothiazines) longer-term. Other drugs known to cause tardive dyskinesia include: tricyclic antidepressants, selegiline, clozapine, levamisole and metoclopramide. (27 Sep 1997) |
| long buccal nerve | <anatomy, nerve> A sensory branch of the mandibular division of the trigeminal nerve; it passes downward emerging from beneath the ramus of the mandible to run forward on the buccinator muscle, piercing (but not supplying) it to supply the buccal mucous membrane and skin of the cheek near the angle of the mouth. Synonym: nervus buccalis, buccinator nerve, long buccal nerve. (05 Mar 2000) |
| absolute system of units | A system based on absolute units accepted as being fundamental (length, mass, time) and from which other units (force, energy or work, power) are derived; such system's in common use are the foot-pound-second, centimeter-gram-second, and meter-kilogram-second system's. (05 Mar 2000) |
| absorbent system | <anatomy> The tissues and organs (including the bone marrow, spleen, thymus and lymph nodes) that produce and store cells that fight infection and the network of vessels that carry lymph. (12 May 1997) |
| alimentary system | The organs that are responsible for getting food into and out of the body and for making use of food to keep the body healthy. These include the mouth, oesophagus, stomach, liver, gallbladder, pancreas, small intestine, colon, and rectum. (12 Dec 1998) |
| anterolateral system | A composite bundle of fibres, located in the ventrolateral part of the lateral funiculus, containing spinothalamic, spinohypothalamic, spinoreticular, and spinomesencephalic (spinotectal, spinal to periaqueductal grey, etc.) fibres; occupies the combined areas of the spinal white matter historically divided into anterior and lateral spinothalamic tracts; located in white matter ventral to the denticulate ligament, hence the anatomical basis for the anterolateral cordotomy; concerned with the transmission of nociceptive and thermal information and with crude (nondiscriminative) touch. (05 Mar 2000) |