Eye and orbit - Eye and orbit This note covers the eye and...

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Eye and orbit This note covers the eye and the orbit. Anatomy, bones and sinuses Surface Anatomy of the Eye Iris Lacrimal caruncle Lacrimal punctum Slerocorneal junction Lower eyelid Lacrimal lake Pupil Sclera Upper eyelid Bones of the Orbit Ethermoid Frontal Lacrimal Maxilla Palatine Sphenoid Zygoma The Nasolacrimal ducts run from the medial boarders of both the upper and lower eyelids to the lacrimal lakes before flowing down along the nasal sinus’s which drain into the nasal canal. The Lacrimal gland is located it the superior, lateral portion of each orbit. The Lacrimal gland is a compound tubuloacinar gland, it is made up of many lobules separated by connective tissue, and each lobule contains many acini. The acini contain only serous cells and produce a watery serous secretion.
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Sinuses around the Orbit The ethmoid sinus, one of the paranasal sinuses, is the collective name for the ethmoidal air cell. Each ethmoid sinus is an air-space enclosed within the ethmoid bone. The ethmoidal air cells consist of
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