Archive image from page 855 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 822 THE OKGANS OF SENSE. sebacecms glands, named the tarsal glands. The superior tarsus is larger than the inferior, and of a half oval shape, with its greatest vertical diameter measuring about 10 or 11 mm. Its upper margin is thin and convex, and is continuous with the tendon of the levator palpebrse superioris muscle, while its lower edge is thick and straight. The inferior tarsus is a thin, narrow strip, with a nearly uniform vertical diameter of a
Archive image from page 855 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 822 THE OKGANS OF SENSE. sebacecms glands, named the tarsal glands. The superior tarsus is larger than the inferior, and of a half oval shape, with its greatest vertical diameter measuring about 10 or 11 mm. Its upper margin is thin and convex, and is continuous with the tendon of the levator palpebrse superioris muscle, while its lower edge is thick and straight. The inferior tarsus is a thin, narrow strip, with a nearly uniform vertical diameter of about 5 mm. The extremities of the two plates are con- tinuous with the lateral palpebral raphe and the medial palpebral ligament. The lateral palpebral raphe is a narrow band attached to the zygomatic bone ; it divides, at the lateral commissure, into superior and inferior pieces which are fixed to the margins of the respective tarsi. The medial palpebral ligament is a strong band attached to the frontal process of the maxilla, directly in front of the lacrimal Tendon of levator palpebrae superioris Skin Orbicularis oculi Tarsal aland in tarsus Muscle of Riolan Eyelashes Fig. 698.—Sagittal Section through Superior Eyelid. groove; it divides at the medial commissure into two slips, one for each tarsus (Fig. 699). The eyelids are further strengthened by membranous expansions, termed the superior and inferior palpebral ligaments, which extend into them from the margin of the orbit. The superior palpebral ligament is continuous, along the superior margin of the orbit, with the pericranium and with the periosteal lining of the orbit, and blends below with the tendon of the levator palpebrse superioris. The inferior palpebral ligament is prolonged from the lower edge of the inferior tarsus to the inferior margin of the orbit, where it is continuous with the periosteum of the face and orbital floor. Laterally the two palpebral ligaments fuse to form the lateral palpebral raphe, w
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