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Papula

Papulae (sing. papula; also occasionally papulla, papullae), also known as dermal branchiae or skin gills, are projections of the coelom of Asteroidea that serve in respiration and waste removal. Papulae are soft, covered externally with the epidermis, and lined internally with peritoneum. They extend through the mesodermal ossicles and are protected…

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Papula

Nodes11
Edges10
Triples0
Avg. degree1.82
Density0.181818
Components1

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papulae dermal gills coelom asteroidea respiration epidermis peritoneum mesodermal ossicles pedicellariae sing also occasionally papulla papullae known branchiae skin projections

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