What is the function of the lacrimal apparatus quizlet?
What is the function of the lacrimal apparatus quizlet?
Glands and drainage system that produce new tear fluid and gets rid of old fluid.
What is the location and function of the 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; it is a j-shaped serous gland located in lacrimal fossa.
What are the 2 functions of the lacrimal gland?
Lacrimal gland
| Structure | Two parts: Orbital and palpebral |
|---|---|
| Functions | Lacrimal fluid production: lubrication, protection and nutrition of the ocular surface |
Where is the lacrimal gland?
The tear glands (lacrimal glands), located above each eyeball, continuously supply tear fluid that’s wiped across the surface of your eye each time you blink your eyelids. Excess fluid drains through the tear ducts into the nose.
What is the purpose of the lacrimal system?
lacrimal apparatus. a group of organs concerned with the production and drainage of tears; it is a nutritive and protective device that helps keep the eye moist and free of dust and other irritating particles. Includes lacrimal gland, accessory lacrimal glands, third eyelid glands and the nasolacrimal duct.
Which is part of the lacrimal gland secretes tears?
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;it is a serous gland located in lacrimal fossa. It is a j-shaped gland;
Where does lacrimal fluid accumulate in the eye?
Lacrimal Apparatus. The lacrimal apparatus is the system responsible for the drainage of lacrimal fluid from the orbit. After secretion, lacrimal fluid circulates across the eye, and accumulates in the lacrimal lake – located in the medial canthus of the eye.
How is sensory innervation supplied by the lacrimal apparatus?
The lacrimal apparatus is supplied by a sympathetic root of the carotid plexus and parasympathetic secretomotor fibers of the facial nerve. Sensory innervation is via the lacrimal nerve of ophthalmic branch of CN V.