Tela choroidea

Anatomical structure in the brain

Tela choroidea

File:Blausen 0896 Ventricles Brain.png
Diagram of the brain ventricles, showing the location of the tela choroidea.
Latin	Tela choroidea
System	Central nervous system

The tela choroidea is a delicate membrane found within the ventricular system of the brain. It is a component of the pia mater, one of the three meninges that cover the brain and spinal cord. The tela choroidea plays a crucial role in the formation of the choroid plexus, which is responsible for the production of cerebrospinal fluid (CSF).

Structure

The tela choroidea is a thin layer of connective tissue that is closely associated with the ependyma, the epithelial lining of the brain's ventricles. It is primarily composed of pia mater and is rich in blood vessels. The tela choroidea is located in the roof of the third and fourth ventricles and extends into the lateral ventricles.

Function

The primary function of the tela choroidea is to support the choroid plexus, which is embedded within it. The choroid plexus is a network of capillaries and specialized ependymal cells that produce cerebrospinal fluid. CSF is essential for cushioning the brain, maintaining intracranial pressure, and removing metabolic waste.

Clinical significance

Disorders of the tela choroidea can affect the production and circulation of cerebrospinal fluid, leading to conditions such as hydrocephalus. Inflammation or infection of the tela choroidea, known as choroiditis, can also impact brain function and require medical intervention.

Also see

• Choroid plexus
• Cerebrospinal fluid
• Ventricular system
• Pia mater
• Hydrocephalus

Gallery

• Diagram of the brain ventricles, showing the location of the tela choroidea.

• 

  Histological slide showing the tela choroidea.