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Image from page 383 of "Elementary anatomy and physiology : for colleges, academies, and other schools" (1869) | by Internet Archive Book Images
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Image from page 383 of "Elementary anatomy and physiology : for colleges, academies, and other schools" (1869)

Title: Elementary anatomy and physiology : for colleges, academies, and other schools

Identifier: elementaryanato00hitc

Year: 1869 (1860s)

Authors: Hitchcock, Edward, 1793-1864; Hitchcock, Edward, 1828-1911

Subjects: Anatomy; Physiology

Publisher: New York : Ivison, Phinney, Blakeman & Co. ; Chicago : S. C. Griggs & Co.

Contributing Library: Smithsonian Libraries

Digitizing Sponsor: Biodiversity Heritage Library



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Text Appearing Before Image:

Fia- 349• fluid is uniformly distributed over the whole ball of the eye, and the excess is carried away from the eye by the two lachrymal canals, which commence at the two little projections near the inner angle of each lid of the eye, appearing like minute black specks. Both of these very soon unite into a larger tube called the nasal duct, (Fig. 349,) which descends inwardly and empties itself upon the nostrils. 689. Eyebrows.—The Eyebrows are projecting arches of fat and skin, cov- ered with short and thick hairs which encircle the upper portion of the eye. They are provided with muscles, so that they can be made to shade the eye more or less perfectly, as ne- cessity may require. 630. Eyelids,—The Eyelids are movable membranous and mus- cular coverings which are placed directly up- on the eyeball, and are designed for protective organs against mechanical violence and too powerful light. Their free edges are called Tarsal Carti- Where are the lachrymal canals and what do they carry? What is the nasal duct? 689. Describe the eyebrows. 690. What are the eyelids ? What are their edges made up of? What glands directly in them ? Lachrymal Canals. 1, Puncta Lachry- malia. 2, Cul-de-Sac at the Orbital End of the Canal. 3, Course of each Canal to the Saccus Lacrymalis. 4, 5, Saccus La- cry mal is. 6, Lower Part of the Ductus ad Nasum. Fig. 350.


Text Appearing After Image:

Front View of the Left Eye—moderately opened. 1, Supercilia. 2, Cilia of each Eyelid. 3, Inferior Palpebra. 4, Internal Canthus. 5, External Can- thus. 6, Caruncula lacrymalis. 7, Plica Semilu- naris. 8, Eyeball. 9, Pupil.



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