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<em>A</em> and <em>C</em>, lachrymal canals; <em>B</em>, lachrymal sac; <em>D</em>, small muscle which serves to compress the lachrymal sac; <em>F</em>, glands upon the inner surface of the eyelids, with ducts opening upon the free margins of the eyelids; <em>H</em>, great openings, or antrum, of the upper jawbone. The oil glands of the nose are plainly shown." &mdash; Blaisedell, 1904

Eyelids and lachrymal apparatus

A and C, lachrymal canals; B, lachrymal sac; D, small muscle which…

The lower jaw at birth. A, As seen from above. B, As seen from outer side. C, As seen from inner side. Labels: a, mental foramen; b, inferior dental canal; c, lingula; d, sockets fro the dental sacs.

Jaw at Birth

The lower jaw at birth. A, As seen from above. B, As seen from outer side. C, As seen from inner side.…

Lower jawbone with the teeth.

The lower jaw

Lower jawbone with the teeth.