lacrimal bone

How To Use lacrimal bone In A Sentence

• With pneumatisation, it extends to the frontal recess superiorly and is bounded by the frontal process of the maxilla anterolaterally, the uncinate process inferomedially, and the lacrimal bone inferolaterally.
• Below the frontonasal suture is the bridge of the nose, convex from side to side, concavo-convex from above downward, and formed by the two nasal bones supported in the middle line by the perpendicular plate of the ethmoid, and laterally by the frontal processes of the maxillæ which are prolonged upward between the nasal and lacrimal bones and form the lower and medial part of the circumference of each orbit. II. Osteology. 5c. The Exterior of the Skull
• The lacrimal bone is a small and fragile bone at the inner orbit of the eye through which the lacrimal duct runs.
• The crest, with a part of the orbital surface immediately behind it, gives origin to the lacrimal part of the Orbicularis oculi and ends below in a small, hook-like projection, the lacrimal hamulus, which articulates with the lacrimal tubercle of the maxilla, and completes the upper orifice of the lacrimal canal; it sometimes exists as a separate piece, and is then called the lesser lacrimal bone. II. Osteology. 5b. 3. The Lacrimal Bone
• Finally a naso-orbital lesion would emerge through a defect between the frontal and the lacrimal bones.
• The lacrimal bones are thin bones that form the anterior portion of the medial walls of the individual orbits.
• The lacrimal bones are the smallest and most fragile of the cranial bones.
• Modern monotremes lack teeth as adults; sutures are hard to see; the rostrum is elongate, beak-like, and covered by a leathery sheath; and lacrimal bones are absent.