What is the tarsal conjunctiva?
The conjunctiva is a thin, transparent tissue that covers the outer surface of the eye. It consists of two continuous parts, one on the inner surface of the eyelid (the tarsal conjunctiva) and the other over the sclera (the bulbar conjunctiva).
What is the tarsal plate in the eye?
The tarsal plates serve as the main structural component of the eyelids. They are made of dense connective tissue and contain the Meibomian glands and eyelash follicles. There are approximately 30 meibomian glands in the upper eyelid and 20 meibomian glands in the lower eyelid.
Where is tarsal plate located?
eyelid. …its principal portions being the tarsal plates, which border directly upon the opening between the lids, called the palpebral aperture; and (4) the innermost layer of the lid, a portion of the conjunctiva.
What is tarsal plate sparing?
Tarsal plate sparing is due to an anatomic structure called the orbital septum, which limits extravasation of blood beyond the tarsal plate (Figure 2). Indirect radiographic findings that suggest BSF include pneumocephalus and air-fluid levels within, or opacification of, an air sinus.
What is superior tarsal plate?
Description. The tarsi (tarsal plates) are two thin, elongated plates of dense connective tissue, about 2.5 cm. in length; one is placed in each eyelid, and contributes to its form and support: The superior tarsus (tarsus superior; superior tarsal plate), the larger, is of a semilunar form, about 10 mm.
What is the tarsus?
Definition of tarsus 1 : the part of the foot of a vertebrate between the metatarsus and the leg also : the small bones that support this part of the foot and include bones of the ankle, heel, and arch. 2 : the tarsal plate of the eyelid. 3 : the distal part of the limb of an arthropod. 4 : tarsometatarsus.
Is the limbus part of the conjunctiva?
The limbus does not constitute a separate tissue but, rather, the border zone or the ocular globe separating cornea, conjunctiva, sclera, and uvea.