lacrimal apparatus(redirected from ostium lacrimale)
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|Noun||1.||lacrimal apparatus - the structures that secrete and drain tears from the eye|
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
lachrymal duct, lacrimal duct, tear duct - any of several small ducts that carry tears from the lacrimal glands