Q10: Congenital malformations of eyelid, lacrimal apparatus and orbit
Q10.4: Absence and agenesis of lacrimal apparatus
The lacrimal gland is above the outer corner of the eye. The lacrimal gland produces the tear fluid for the eye. The film of fluid (tear film) on the eye, together with the conjunctiva and the eyelids, protects the eye from external influences. Tear fluid flows out of the eye via the tear ducts. The tear ducts begin in the inner edge of the upper and lower eyelids. In both places there is a small opening that opens into a narrow channel. The channels join and carry the tear fluid to the inside of the nose.
While developing in the womb, many different types of tissue develop in the body. The organs and body parts develop out of the various types of tissue. A particular tissue for the lacrimal gland or the tear ducts has not developed in your case, so it is missing.
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