what r chaonocytes or collar cells..?
Answers
Answer :
Collar cells Or Chinocytes are specialized flagellated cells that form the inner layer of the sponge's body wall which is also known as chynoderms. The collar cells are occur in sponges and help in nutrition, respiration, circulation, excretion and nutrition.
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Answer:
what r chaonocytes or
collar cells..?
Choanocytes (also known
as "collar cells") are cells
that line the interior of
asconoid, syconoid and l
euconoid body type sponges
that contain a central flagellum,
or cilium, surrounded by a
collar of microvilli which are
connected by a thin membrane.
They make up Choanoderm,
a type of cell layer found in
sponges. The cell has the
closest resemblance to the
choanoflagellates which are
the closest related single celled
protists to the animal kingdom
(metazoans). The flagellae beat
regularly, creating a water
flow across the microvilli which
can then filter nutrients from
the water taken from the
collar of the sponge. Food
particles are then phagocytosed
by the cell.