[citation needed] Archaeocytes (from Greek archaios "beginning" and kytos "hollow vessel") or amoebocytes are amoeboid cells found in sponges. They are...

contract. "Grey cells" act as sponges' equivalent of an immune system. Archaeocytes (or amoebocytes) are amoeba-like cells that are totipotent, in other...

They form by migration of food-filled archaeocytes, also called amoebocytes, into discrete masses. This archaeocyte core becomes enveloped in several different...

non-living material, the mesohyl contains living cells called archaeocytes. Archaeocytes are specialized cells that can modify themselves according to...

change into other cell types. In sponges, amebocytes, also known as archaeocytes, are cells found in the mesohyl that can transform into any of the animal's...

sponges. Spicules are formed by sclerocytes, which are derived from archaeocytes. The sclerocyte begins with an organic filament, and adds silica to it...

choanocytes. They contain a matrix composed of proteins and spicules. Archaeocytes are special types of cells, in that they can transform into all of the...

then capture the sperm and transport them to the eggs of the sponge via archaeocytes. Fertilization takes place in the mesenchyme of the sponge. They then...