What is the tarsal plate?

What is the tarsal plate?

Tarsus. 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 the tarsal plate?

The tarsal plates of the eye are formed by dense fibrous tissue representing thickened extensions of the orbital septum, molded to the curvature of the eyeball. Each eye has a superior tarsal plate and an inferior tarsal plate. The plates anchor the roots of the eyelashes and contain tarsal (Meibomian) glands.

What is upper eyelid called?

There are two points at which the upper and lower eyelids meet. The one on the inner aspect is called the medial canthus while that at the outer aspect is called the lateral canthus.

Is tarsus a cartilage?

The superior tarsus is a plate of tissue that stiffens the upper eyelid, gives it support and determines its form. The results suggested that the tarsal plate is a specialized connective tissue that is neither purely fibrous nor cartilaginous, yet has an aggrecan content that probably contributes to its stiffness.

What is the function of the tarsal gland?

Thus, the meibomian, or tarsal glands, consist of a row of elongated glands extending through the tarsal plates; they secrete an oil that emerges onto the surface of the lid margin and acts as a barrier for the tear fluid, which accumulates in the grooves between the eyeball and…

What is eyelids anatomy?

eyelid, movable tissue, consisting primarily of skin and muscle, that shields and protects the eyeball from mechanical injury and helps to provide the moist chamber essential for the normal functioning of the conjunctiva and cornea.

What Tarsus means?

Definition of tarsus (Entry 1 of 2) 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.

What is the inferior Tarsus?

The inferior tarsal muscle which composes part of the lower eyelid retractor performs a function to retract the lower eyelid and innervates sympathetic nerves like the Müller muscle, an organ homologous with the inferior tarsal muscle.

What does raccoon eyes mean in medical terms?

Raccoon eyes is a condition that refers to bruises around both eyes. These bruises look like the dark patches around the eyes that are characteristic of raccoons. Raccoon eyes signal a serious condition related to a skull or brain injury. Prompt diagnosis is crucial to reduce the risk of complications.

How do you treat racoon eyes?

Raccoon eyes should go away on their own, although it can take up to 2 weeks. It’s normal for the color to change from purple to green or yellow as you heal. That’s the blood reabsorbing into your skin. Apply ice packs to your closed eyes to bring down any swelling.