内ない肉にくMeanings1nounendosarcbiologyBiology term for the inner, granular part of the cytoplasm in certain single-celled organisms, such as amoebas. Contrasts with 外肉 (ectosarc).See also: 内質アメーバの内ない肉にくには顆か粒りゅうが多おおく含ふくまれている。The endosarc of an amoeba contains many granules.