Archaeocytes are the amoeboid cells present in sponges. They get differentiated into specific cells and perform various functions such as... View Article
Ostia are the tiny pores present on the surface of sponges, from where water enters and goes to the spongocoel. The osculum is the opening from... View Article
Mesohyl is the gelatinous matrix present in the sponges between the external pinacoderm and internal choanoderm. It acts as an endoskeleton and... View Article
Amphiblastula larva is found in some of the sponges. It is a free-swimming larva with the front half having flagellated cells and the other half... View Article
Collar cells are flagellated cells that line the spongocoel and canals in sponges. They are called choanocytes. Further reading: Coelom Are... View Article
Amoebocytes or archaeocytes are totipotent cells found in sponges. They have varied functions such as transport of digested food from choanocytes... View Article
Leuconoid body type is the most advanced body form of sponges and is the most efficient circulation system in larger sponges to deliver oxygen... View Article
Ostia are minute pores on the body surface of sponges. Water enters through these pores and reaches the spongocoel. Further reading: Coelom... View Article
Choanocytes and amoebocytes are present in sponges. Choanocytes trap the nutrients and amoebocytes transport the digested food from food vacuoles... View Article
Choanocytes or collar cells resemble choanoflagellates in shape and function. Choanoflagellates are unicellular protists. Further reading:... View Article
Choanocytes line the internal lining of the spongocoel, whereas pinacocytes line the outside surface of sponges. Further reading: Coelom... View Article