| lingual bone | <anatomy> A U-shaped bone lying between the mandible and the larynx, suspended from the styloid processes by slender stylohyoid ligaments. See: hyoid apparatus. Synonym: os hyoideum, lingual bone, tongue bone. (05 Mar 2000) |
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| lingual branches | Branches to the tongue. Nomina Anatomica lists lingual branches of 1) hypoglossal nerve, rami linguales nervi hypoglossi; 2) lingual nerve, rami linguales nervi lingualis; 3) glossopharyngeal nerve, rami linguales nervi glossopharyngei. Synonym: rami linguales. (05 Mar 2000) |
| lingual branch of facial nerve | Lingual branch (inconstant) of the stylohyoid branch of the facial nerve. Synonym: ramus lingularis nervi facialis. (05 Mar 2000) |
| lingual crypt | A pit lined with epithelium in the lingual tonsil. (05 Mar 2000) |
| lingual embrasure | A space existing on the lingual aspect of the interproximal contact area between adjacent teeth. (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) |
| lingual flange | The portion of the flange of a mandibular denture that occupies the space adjacent to the tongue. (05 Mar 2000) |
| lingual flap | A flap derived from the tongue; used to close a defect in an adjacent part, such as the lip or palate. Synonym: lingual flap. (05 Mar 2000) |
| lingual follicles | Collections of lymphoid tissue in the mucosa of the pharyngeal part of the tongue posterior to the terminal sulcus collectively forming the lingual tonsil. Synonym: lenticular papillae, lingual follicles. (05 Mar 2000) |
| lingual frenulum | A fold of mucous membrane extending from the floor of the mouth to the midline of the undersurface of the tongue. Synonym: frenulum linguae, frenulum of tongue, vinculum linguae. (05 Mar 2000) |
| lingual gingiva | That portion of the gingiva that covers the lingual surfaces of the teeth and the alveolar process. (05 Mar 2000) |
| lingual goiter | A tumour of thyroid tissue involving the embryonic rudiment at the base of the tongue. (05 Mar 2000) |
| lingual gyrus | A relatively short horizontal convolution on the inferomedial aspect of the occipital and temporal lobes, demarcated from the lateral occipitotemporal or fusiform gyrus by the deep collateral sulcus, from the cuneus by the calcarine sulcus; its anterior extreme abuts the isthmus of the parahippocampal gyrus; the medial or upper strip of the gyrus forming the lower bank of the calcarine sulcus corresponds to the inferior half of the striate area or primary visual cortex and represents the contralateral upper quadrant of the binocular field of vision. Synonym: gyrus lingualis, gyrus occipitotemporalis medialis, medial occipitotemporal gyrus. (05 Mar 2000) |
| lingual hemiatrophy | Atrophy of one lateral half of the tongue. Synonym: lingual trophoneurosis. (05 Mar 2000) |
| lingual lobe | A U-or W-shaped ridge at the base of the lingual surface of the crown of the upper incisors and cuspid teeth, the lateral limbs running for a short distance along the linguoproximal line angles, the central portion just above the gingiva. Synonym: cingulum dentis, basal ridge, lingual lobe. (05 Mar 2000) |