A treatise on physiology and hygiene : for schools, families, and colleges / by J.C. Dalton.
- John Call Dalton
- Date:
- 1868
Licence: Public Domain Mark
Credit: A treatise on physiology and hygiene : for schools, families, and colleges / by J.C. Dalton. Source: Wellcome Collection.
Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.
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![opening of the ej^elids, by which the eye is suddenly and forcibly closed, as in the act of winking. Orbit. The bony cavity beneath the forehead in which the eye- ball is situated. Organ (Gr. opyavov, organon, an instrument). Any part of the body which is adapted to perform a particular service, such as the heart, the stomach, the brain. Ossification (L. os, ossis, a bone, an&Jucio, to make). The con- version of cartilage or other soft tissue into bone. Osteine (Gr. oarkov, osteon, a bone). . The albuminous ingredient of the bones. Oxygen. A gas forming one fifth part, by bulk, of the atmosphere, which is essential to respiration. Pancreas. A gland situated in the upper part of the abdomen, near the lower border of the stomach. Pancreatic Juice. The secretion produced by the pancreas. Pancreatine. The albuminous ingredient of the pancreatic juice. Papilla (L. papilla, a nipple). A minute conical prominence or elevation upon the surface of an animal membrane; thus the papil- las of the tongue. Paralysis (Gr. irapaXvio, paraluo, to loosen). A suspension or ab- olition of the power of sensation or motion ; more frequently of both. Paraplegia (Gr. 7rapair\i]<j(ju, paraplesso, to strike with derange- ment). A paralysis of the lower limbs and lower half of the body. Parotid Gland (Gr. irapa, para, near, and ovg, ojtoq, ous, otos, the ear). The salivary gland situated just in front of the ear. Par Vagum (L.). Literally, the wandering pair. A name given to the pneumogastric nerves, on account of their long course and va- ried distribution. Peduncles of the Brain. Two rounded bundles of nervous fibres running upward and forward from the base of the brain, and termi- nating, on each side, in the substance of the cerebrum; so called from the botanical term '' peduncle, which signifies the stalk of a flower. Pelvis (L. pelvis, a basin). The hip-bone ; so called because it is like a basin in shape. Pepsine (Gr. 7rs7rru, pepto, to cook, to disintegrate by cooking). The most important ingredient of the gastric juice, which acts as a ferment in the digestion of the food. Peristaltic Action (Gr. 7rfpi<7r£\\w, peristello, to wrap round). The peculiar movement produced by the successive contraction of cir- cular muscular fibres wrapped round a cylindrical tube, as in the oesophagus or the intestine. Perspiration (L. per, through, and spiro, to breathe or exhale). The watery secretion exuded upon the surface of the skin. Perspiratory Glands. Small glandular bodies, in the form of a coiled tube, situated immediately beneath the skin, by which the per- spiration is secreted. Petrous Bone (Gr. irhrpa, petra, a rock). One of the bones form- ing the base of the skull, and containing the internal ear and the tym- panum ; so called from its stony hardness.](https://iiif.wellcomecollection.org/image/b21048332_0387.jp2/full/800%2C/0/default.jpg)
