An amebocyte or amoebocyte is a mobile cell (moving like an amoeba) in the body of invertebrates including cnidaria, echinoderms, molluscs, tunicates, sponges and some chelicerates. They move by pseudopodia. (https://en.wikipedia.org/wiki/Amebocyte)
A natural constituent of milk normally obtained from whey. It may be anhydrous, or contain one molecule of water of crystallization, or be a mixture of both forms. (FAO & WHO. 2023. General Standard for Food Additives. Codex Standard, No. CXS 192-1995. Rome. https://www.fao.org/fao-who-codexalimentarius)