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Do Sponges Have Mesophyll?

Chloe Bennett • • 6 min read
Do Sponges Have Mesophyll?

The mesohyl, formerly known as mesenchyme or as mesoglea, is the gelatinous matrix within a sponge. ... The mesohyl resembles a type of connective tissue and contains several amoeboid cells such as amebocytes

amebocytes
In sponges, amebocytes, also known as archaeocytes, are cells found in the mesohyl that can transform into any of the animal's more specialized cell types. ... In older literature, the term amebocyte is sometimes used as a synonym of phagocyte.
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, as well as fibrils and skeletal elements.

Do sponges have pinacocytes?

Pinacocytes are part of the epithelium in sponges. They play a role in movement (contracting and stretching), cell adhesion, signaling, phagocytosis, and polarity. Pinacocytes are filled with mesohyl which is a gel like substance that helps maintain the shape and structure of the sponge.

Where are pinacocytes found?

Pinacocytes form the pinacoderm, a single cell layer found on the body surface and lining the canals. Various types of pinacocytes occur—basipinacocytes are in contact with the surface to which the sponge is attached, exopinacocytes are found on the surface of the sponge, and endopinacocytes line the canals.

Chloe Bennett
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Chloe Bennett

Chloe Bennett explores the intersection of pop culture, streaming entertainment, digital trends, and contemporary lifestyle. Her weekly commentary reaches thousands of culture enthusiasts.