Supravascular plate

Supravascular plate: anatomy and functions

The supravascular plate (lamina suprachoroidea) is a thin layer of tissue located between the choroid and choroid of the eye. This layer is also called the suprachoroidea, stratum perichorioideum, or J-layer. The supravascular plate consists of connective tissue and contains vessels that provide nutrition to the choroidal membrane and retina.

Anatomy of the supravascular plate

The supravascular plate is about 5 µm thick and consists of two layers: internal and external. The inner layer of the supravascular plate consists of collagen and elastic fibers that form intervascular septa. The outer layer consists of dense connective tissue, contains many vessels and serves to attach the choroidal membrane to the sclera.

Functions of the supravascular plate

The supravascular plate performs several important functions. It provides nutrition to the choroidal membrane, which in turn provides nutrition to the retina of the eye. In addition, the supravascular plate acts as a barrier that protects the choroidal membrane and retina from harmful substances from the blood.

Pathologies of the supravascular plate

Some eye diseases can lead to changes in the supravascular plate. For example, with glaucoma, there is an increase in the thickness of the supravascular plate, which can lead to increased intraocular pressure and damage to the optic nerve. Also, with age-related changes in the eye (macular degeneration), thinning of the supravascular plate may occur, which can lead to impaired retinal nutrition and decreased visual function.

In conclusion, the supravascular plate is an important element of the anatomy of the eye, which provides nutrition to the choroid and retina, and also protects them from harmful substances. Understanding the anatomy and functions of the supravascular lamina is important for the diagnosis and treatment of various eye diseases.

The supravascular plate (lamina suprachoroidea) is one of the important structures of the eye and plays an important role in ensuring the normal functioning of the eye. This plate is located above the vascular layer of the retina, which provides blood supply to the eyeball.

The supravascular lamina is composed of several layers of cells, including pigment epithelium, glial cells, and nerve cells. These cells provide protection from external influences such as ultraviolet rays and are also involved in regulating metabolism in the eye.

In addition, the supravascular plate plays an important role in transmitting signals between nerves and retinal cells. It is also involved in the formation of electrical potentials that are necessary for the normal functioning of the eye.

However, if the supravascular lamina is damaged or compromised, it can lead to various eye diseases such as retinal dystrophy, glaucoma and others. Therefore, it is important to monitor the condition of this plate and take measures to protect and restore it.

In conclusion, the supravascular lamina is an important structure of the eye that plays an important role in its functioning. Damage to it can lead to serious illnesses, so it is necessary to monitor its condition and take measures to protect and restore it.