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The tarsi (sg.: tarsus) or tarsal plates are two comparatively thick, elongated plates of dense connective tissue, about 10 mm (0.39 in) in length for the upper eyelid and 5 mm for the lower eyelid; one is found in each eyelid, and contributes to its form and support. They are located directly above the lid margins. [1]
Meibomian glands (also called tarsal glands, palpebral glands, and tarsoconjunctival glands) are sebaceous glands along the rims of the eyelid inside the tarsal plate. They produce meibum , an oily substance that prevents evaporation of the eye's tear film .
Eyelid edema is a condition in which the eyelids are swollen and tissues contain excess fluid. It may affect eye function when it increases the intraocular pressure. Eyelid edema is caused by allergy, trichiasis or infections. [4] The main symptoms are swollen red eyelids, pain, and itching. Chronic eyelid edema can lead to blepharochalasis.
Orbital septum acts as a physical barrier that prevents the infection of the anterior part of the eye spreading posteriorly. For example, preseptal cellulitis mainly infects the eyelids, anterior to the orbital septum. Meanwhile, orbital cellulitis is located posterior the orbital septum, due to infections spreading from the ethmoidal sinuses.
Superior tarsal plate and skin of upper eyelid: Artery: Muscular branches of ophthalmic artery and supraorbital artery: Nerve: Superior division of oculomotor nerve: Actions: Elevation of upper eyelid: Antagonist: Palpebral part of orbicularis oculi muscle: Identifiers; Latin: musculus levator palpebrae superioris: TA98: A15.2.07.020: TA2: 2052 ...
tarsal plate, upper eyelid: ophthalmic artery: oculomotor nerve [CNIII] retracts and elevates eyelid: orbicularis oculi: 2 1 superior tarsal: head, extraocular (left/right) underside of levator palpebrae superioris: superior tarsal plate of eyelid: ophthalmic artery: sympathetic nervous system: raises upper eyelid? 2 1 rectus, superior: head ...
The first 12-team College Football Playoff field was revealed on Sunday. Undefeated Oregon earned the top seed, while SMU beat out Alabama for the 12th and final spot. Oregon, Georgia, Boise State ...
Glands of Krause are located in the stroma of the conjunctival fornix, and the glands of Wolfring are located along the orbital border of the tarsal plate. [2] These glands are oval and display numerous acini. The acini are surrounded, sometimes incompletely, by a row of myoepithelial cells.