semilunar conjunctival fold

pli·ca sem·i·lu·na·'ris of con·junc·ti·'va

[TA]

1. the semilunar fold formed by the palpebral conjunctiva at the medial angle of the eye;

2. a fold of the conjunctival mucous membrane found in many animals; normally partially hidden in the medial canthus of the eye when at rest, it may be extended to cover part or all of the cornea in a winklike action to clean the cornea, as in birds. Synonym(s): membrana nictitans, nictitating membrane, palpebra III, palpebra tertia, third eyelid

Synonym(s): plica semilunaris conjunctivae [TA], plica lunata, plica semilunaris of eye, semilunar conjunctival fold

Farlex Partner Medical Dictionary © Farlex 2012

sem·i·lu·nar con·junc·ti·val fold

(sem'ē-lū'năr kon-jungk-tī'văl fōld)

1. The semilunar fold formed by the palpebral conjunctiva at the medial angle of the eye.

2. A fold of the conjunctival mucous membrane found in many animals; normally partially hidden in the medial canthus of the eye when at rest, it may be extended to cover part or all of the cornea in a winklike action to clean the cornea, as in birds.
Synonym(s): plica semilunaris conjunctivae [TA] .

Medical Dictionary for the Health Professions and Nursing © Farlex 2012