The elements of animal physiology / by John Angell ; revised by J.C. Buckmaster.

  • Angell, John.
Date:
1869
Catalogue details

Licence: Public Domain Mark

Credit: The elements of animal physiology / by John Angell ; revised by J.C. Buckmaster. Source: Wellcome Collection.

    301/320 (page 289)
    Curtain of the Soft Palate. —That which hangs down in front of the pharynx, separating that cavity from the mouth. Cushion of Cartilage.—That between each of the vertebrae, and by which they are fastened together. Cutaneous.—Belonging to the skin. Deglutition. —Swallowing. Dentine.—The substance of which the teeth are chiefly made. Diastole.—The elevation or opening of the heart after contraction. Digestion.—The reduction of the nutritious parts of food to a soluble condition, and the separation of these parts from the innutritious. Dorsal Vertebrce.—Those forming the back, and to which the ribs are fastened (12 in number). Duodenum.—The first twelve inches of the small intestines. Dura Mates'.—The outer covering of the brain. EAR.—Concha and the ear-tube—the outer ear. Cavity of the Tympanum—the middle ear. Vestibule, Cochlea, and Semicircular Canals—the inner ear. Fig. 82. Tympanum.—The membrane stretched across the tube leading from the outer ear to the middle ear. Cerumen.—The wax secreted in the tube of the ear. Incus, Malleus, Os Orbiculare, Stapes.—The four bones in the cavity of the tympanum; they are attached to the tympanum and the inner ear. Fenestra Ovalis.—The opening or window in the inner ear oppo- site the tympanum, closed by a membrane and joined to the tympanum by the four bones of the middle ear. Stapes.—The bone attached to the fenestra ovalis. Labyrinth.—The inner ear, which is filled with a fluid like water. Vestibule.—That part of the inner ear between the cochlea and the semicircular canals. Cochlea.—That part of the inner ear which resembles a snail shell, and which is supposed to enable us to determine the pitch of sounds. The Inner Ear is lined with a membrane upon which the auditory nerve is spread out to receive impressions and con- vey them to the brain. Endosmose.—The process by which one fluid separated from another by a membrane mixes with it in a direction inwards from without. U