lakrimal - Lacrimal apparatus Wikipedia Advances in clinical agen slot panen138 examination of lacrimal gland PMC Tear System Lacrimal Apparatus Function and Anatomy Cleveland Clinic Lacrimal gland Wikipedia Lacrimal Gland Anatomy Function and Tests Verywell Health The lacrimal gland tear gland is an exocrine gland located above the eyeball in the anterior part of the upper outer aspect of each orbitIt secretes lacrimal fluid tear fluid a watery fluid isotonic to plasma onto the surface of the eyeball This fluid forms the aqueous portion of a multilayered tear film that lubricates protects and provides nutrients to the conjunctiva and cornea In humans the lacrimal gland is located in the socket of the frontal bone above the outer orbital area As an essential part of the eye surface the gland is fixed to the orbital periosteum by connective tissue The lacrimal gland passes through The lacrimal gland is a compound tubuloacinar gland it is made up of many lobules separated by connective tissue each lobule contains many aciniThe acini composed of large serous cells which produce a watery serous secretion serous cells are filled with lightly stained secretory granules and surrounded by welldeveloped myoepithelial cells and a sparse vascular stroma The lacrimal apparatus is the physiological system containing the orbital structures for tear production and drainage 1It consists of The lacrimal gland which secretes the tears and its excretory ducts which convey the fluid to the surface of the eye it is a jshaped serous gland located in lacrimal fossa The lacrimal canaliculi the lacrimal sac and the nasolacrimal duct by which Lacrimal Glands and Apparatus Vasculature TeachMeAnatomy Lacrimal gland Anatomy supply and function Kenhub Anatomy Head and Neck Eye Lacrimal Gland Lacrimal apparatus Anatomy parts function Kenhub The lacrimal gland is a bilobed tearshaped gland with the primary function of secreting the aqueous portion of the tear film thereby maintaining the culung ocular surface It is primarily located in the anterior superotemporal orbit within the lacrimal fossa of the frontal bone The tendon of levator palpebrae superioris bisects the lacrimal gland giving rise to 2 lobes a smaller palpebral Anatomical Structure The lacrimal gland is approximately 2cm long It can be divided into two main parts Orbital larger and sits on the lateral margin of the levator palpabrae superioris muscle Palprebral smaller and is located along the inner surface of the eyelid The lacrimal gland is a compound tubuloacinar gland comprised of lobules which are formed by multiple acini What does the tear system do Your tear system is like an automatic irrigation system Instead of sprinklers underground plumbing and drains working together to keep your lawn green your tear system has glands and ducts that move lacrimal fluid the medical term for your tears across your eyes Anatomy of the Lacrimal Canaliculus The lacrimal canaliculus is divided into the vertical and horizontal portions 1 2 6Its transitional part occasionally dilates to form an irregular dilated cavity or ampulla Fig 32 The length of the vertical portion is 2 mm and that of the horizontal part is 10 mm The medial most 2 mm of the horizontal portion mostly forms the common duct or Lacrimal artery lateralleft view The facial nerve leaves the skull via the foramen lacerum by hitching a ride with the greater petrosal nerve eventually reaching the eye by merging with the lacrimal and zygomatic divisions of the ophthalmic division of the trigeminal nerve The nerve also synapses in the pterygopalatine ganglionThe sympathetic innervation arises from the superior cervical The lacrimal gland is a small gland located in the upper corner of each eye Its involved in tear production which is essential for eye health Anatomy Physiology and Immunology linton of the Lacrimal System
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