Lacrimal Duct Obstruction
The term Lacrimal or lachrymal, may refer to: Anatomy * Lacrimal apparatus * Lacrimal artery * Lacrimal bone * Lacrimal canaliculi (singular: canaliculus), also known as ''Lacrimal ducts'' * Lacrimal fossa (other) * Lacrimal fluid, see Tears * Lacrimal gland * Lacrimal groove, also known as ''Lacrimal sulcus'' * Lacrimal hamulus * Lacrimal lake * Lacrimal nerve * Lacrimal papilla * Lacrimal punctum * Lacrimal sac * Lacrimal secretion, see Tears * Lacrimal tubercle * Nasolacrimal duct Typography * A type of stroke ending See also

* Lacrima (other) {{disambig ...
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Lacrimal Apparatus
The lacrimal apparatus is the physiological system containing the Orbit (anatomy), orbital structures for tears, tear production and drainage.Cassin, B. and Solomon, S. ''Dictionary of Eye Terminology''. Gainesville, Florida: Triad Publishing Company, 1990. It consists of: * The lacrimal gland, which secretes the tears, and its excretory ducts, which convey the fluid to the surface of the human eye; it is a j-shaped serous gland located in lacrimal fossa. * The lacrimal canaliculi, the lacrimal sac, and the nasolacrimal duct, by which the fluid is conveyed into the cavity of the Human nose, nose, emptying anterioinferiorly to the inferior nasal conchae from the nasolacrimal duct; * The innervation of the lacrimal apparatus involves both the a Sympathetic nervous system, sympathetic supply through the Internal carotid plexus, carotid plexus of nerves around the internal carotid artery, and parasympathetic nervous system, parasympathetically from the lacrimal nucleus of the facial n ...
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