Text-book of anatomy and physiology for nurses (1913) (14743902736)

Identifier: textbookofanatom00bund (find matches)

Title: Text-book of anatomy and physiology for nurses

Year: 1913 (1910s)

Authors: Bundy, Elizabeth Roxana, 1850-

Subjects: Anatomy Physiology

Publisher: Philadelphia : P. Blakiston's son Co

Contributing Library: Columbia University Libraries

Digitizing Sponsor: Open Knowledge Commons

Text Appearing Before Image:

are not joined in themiddle line, cleft palate results. The cleft may be partial or complete, and thedivided upper lip is called harelip. The oral cavity is lined with mucous membrane which is alwaysmoist in health. The part of the cavity between the lips and theteeth is the vestibule. The mouth contains the teeth and the tongue. The teeth are already described. The tongue lies in the floor of the mouth with its base curveddownward at the back and attached to the hyoid bone. It is com- 122 ANATOMY AND PHYSIOLOGY FOR NURSES. posed of muscles, and covered with mucous membrane which formsa special fold underneath the tip of the tongue connecting it with thefloor; this fold is called the frenum lingua. When the frenum isshort we say the tongue is tied. A little clip with the scissors is often sufficient to free it, but this is done withcare as an artery runs forward very near the frenum. SeptumNostril Anterior naris Hard palate Anterior palatine , arch RecessPosterior palatine arch Tongue

Text Appearing After Image:

Fig. 95.—The Oral Cavity (Deaver). The dorsum, or superior surface of the tongue, is covered withsmall projections called papillcs, of three sizes,—the vallate, thelargest, forming a V-shaped row at the back; the fungiform, next insize, scattered over the surface but most numerous at the tip andsides, and bright red in color; and the filiform, the smallest, coveringthe anterior two-thirds of the dorsum and borders (Fig. 96). The tongue aids in mastication and swallowing, or deglutition. Itis also an important organ of speech and the principal organ of taste. THE PALATINE ARCHES. 123 Note.—The perception of bitter substances is plainer in the posterior portion,while cweet, sour, and salty substances are more quickly recognized in theanterior part and at the borders. Some elevations of mucous membrane on either side of the base of thetongue form the lingual tonsils. (These are seen only with the aid of thelaryngoscope.) The mouth opens at the back into the pharynx, through the pas

Lehrbuch der Anatomie und Physiologie für Krankenschwestern 1913 Buchillustrationen Anatomie anatomischer Atlas Physiologie Medizin Bilder aus dem Internetarchiv

1913

Columbia University Libraries

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