tarsal glands


tar·sal glands

[TA] sebaceous glands embedded in the tarsal plate of each eyelid, discharging at the edge of the lid near the posterior border. Their secretions create a lipid barrier along the margin of the eyelids that contains the normal secretions in the conjunctival sac by preventing the watery fluid from spilling over the barrier when the eye is open. Synonym(s): glandulae tarsales [TA], meibomian glands, palpebral glands

tar·sal glands

(tahr'săl glandz) [TA] Sebaceous glands embedded in the tarsal plate of each eyelid, discharging at the edge of the lid near the posterior border. Their secretions create a lipid barrier along the margin of the eyelids that holds back normal secretions in the conjunctival sac by preventing the watery fluid from spilling over the barrier when the eye is open.
Synonym(s): meibomian glands.

Meibom,

Hendrik (Heinrich), Dutch anatomist and physician ,1638-1700. meibomian conjunctivitis - obsolete term for a conjunctivitis associated with chronic inflammation of the meibomian glands, with swollen tarsal plates and frothy seborrheic secretion. Synonym(s): seborrheic blepharoconjunctivitismeibomian cyst - a chronic inflammatory granuloma of a meibomian gland. Synonym(s): chalazionmeibomian glands - sebaceous glands embedded in the tarsal plate of each eyelid, discharging at the edge of the lid near the posterior border. Synonym(s): tarsal glandsmeibomian sty - an acute purulent infection of a meibomian (tarsal) gland. Synonym(s): hordeolum internum