amoebocytes
Amoebocytes are specialized cells found in certain invertebrates, particularly in sponges. They play a crucial role in the organism's immune response, nutrient transport, and waste removal. These cells are named for their ability to change shape, allowing them to move through the sponge's body and perform various functions.
In addition to their role in defense and transport, amoebocytes can also differentiate into other cell types, such as collencytes and sclerocytes, which help in forming the sponge's structure. This versatility makes amoebocytes essential for the overall health and functioning of sponge ecosystems.