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What is Cell TM?

Published in Eye Anatomy 1 min read

Cell TM, in the context of the trabecular meshwork, refers to the endothelial-like cells that cover the collagen beams within this crucial eye structure.

The trabecular meshwork (TM) plays a vital role in regulating the intraocular pressure by facilitating the drainage of aqueous humor from the eye. Its structure is complex, consisting of:

  • Arrays of collagen beams: These form the structural framework of the TM.
  • Endothelial-like cells: These cells cover the collagen beams.
  • Loose Extracellular Matrix (ECM): This material fills the spaces between cells on adjacent beams.

These endothelial-like cells, which are the "cell TM," are not true endothelial cells in the strict sense, but they exhibit many of the characteristics of such cells. They are important for maintaining the integrity of the TM and its function in regulating the outflow of aqueous humor.

Here's a summary in a table:

Component Description
Collagen Beams Structural framework of the TM.
Cell TM Endothelial-like cells that cover the collagen beams.
Extracellular Matrix (ECM) Fills spaces between cells of adjacent beams.