from The Century Dictionary.
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from Wiktionary, Creative Commons Attribution/Share-Alike License.
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The Arteriæ Dorsales Linguæ (rami dorsales linguæ) consist usually of two or three small branches which arise beneath the Hyoglossus; they ascend to the back part of the dorsum of the tongue, and supply the mucous membrane in this situation, the glossopalatine arch, the tonsil, soft palate, and epiglottis; anastomosing with the vessels of the opposite side.
Its Root (radix linguæ base) (Fig. 954) is directed backward, and connected with the hyoid bone by the Hyoglossi and Genioglossi muscles and the hyoglossal membrane; with the epiglottis by three folds (glossoepiglottic) of mucous membrane; with the soft palate by the glossopalatine arches; and with the pharynx by the Constrictores pharyngis superiores and the mucous membrane.
The Glossopalatinus (Palatoglossus) is a small fleshy fasciculus, narrower in the middle than at either end, forming, with the mucous membrane covering its surface, the glossopalatine arch.
It is bounded, above, by the soft palate; below, by the dorsum of the tongue; and on either side, by the glossopalatine arch.
The glossopalatine arch (arcus glossopalatinus; anterior pillar of fauces) on either side runs downward, lateralward, and forward to the side of the base of the tongue, and is formed by the projection of the Glossopalatinus with its covering mucous membrane.
Further, the tonsil extends for a variable distance under cover of the glossopalatine arch, and is here covered by a reduplication of mucous membrane; the upper part of this fold reaches across the supratonsillar fossa, between the two arches, as a thin fold sometimes termed the plica semilunaris; the remainder of the fold is called the plica triangularis.
The Palatine Tonsils (tonsillæ palatinæ tonsil) are two prominent masses situated one on either side between the glossopalatine and pharyngopalatine arches.
When the mouth is opened widely, a tense bandthe pterygomandibular raphécan be seen and felt lateral to the glossopalatine arch.