Zonula

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Zonula

Zonula (/zoʊˈnjuːlə/; from Latin zonula, diminutive of zona, meaning "belt") is a term used in anatomy to describe a small zone or belt-like area. It is often used in conjunction with other words to describe specific structures in the body.

Zonula occludens

The Zonula occludens (tight junctions) are a type of cell junction that helps to maintain the polarity of cells, particularly in epithelial and endothelial cells. They are crucial for the function of the Blood-brain barrier and other selective barriers in the body.

Zonula adherens

The Zonula adherens (adhering junctions) are cell junctions that occur between epithelial cells and play a crucial role in maintaining tissue structure and integrity. They are associated with actin filaments and are important in cell adhesion and signal transduction.

Zonula ciliaris

The Zonula ciliaris refers to the ring of fibrous strands connecting the ciliary body and the lens of the eye. It is also known as the suspensory ligament of the lens.

Zonule of Zinn

The Zonule of Zinn is a ring of fibrous strands forming a zonule (small zone) that connects the ciliary body with the crystalline lens of the eye. It is named after the German anatomist Johann Gottfried Zinn.

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