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Additional
lacrimal apparatus
English Wikipedia - The Free Encyclopedia
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Lacrimal apparatus
The
lacrimal apparatus
is the physiological system containing the
orbital
structures for
tear
production and drainage.
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
;
The
lacrimal canaliculi
, the
lacrimal sac
, and the
nasolacrimal duct
, by which the fluid is conveyed into the cavity of the
nose
, emptying anterioinferiorly to the
inferior nasal conchae
from the nasolacrimal duct.
The
nerve supply
of lacrimal apparatus done by
carotid plexus
of nerves along artery internal and external
sympathetically
but
parasympathetic
from
lacrimal nucleus
of the
facial nerve
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