细胞内消化(intracellular digestion)消化可分为细胞内消化和细胞外消化。单细胞动物如草履虫摄入的食物在细胞内被各种水解酶分解,称为细胞内消化(多孔动物与原生动物相同,行细胞内消化,在多细胞动物中,海绵是首例)。多细胞动物的食物由消化管的口端摄入在消化管中消化叫做细胞外消化。细胞外消化可以消化大量的和化学组成较复杂的食物,因而具有更高的效率。但即使在高等动物(如人)的体内,仍部分保留着细胞内消化,如白细胞吞噬体内异物并在细胞内把异物溶解等。
微绒毛柱状细胞具活跃的吸收、细胞内消化和贮存能量的功能;
The columnar cells with microvilli participated in the intracellular digestion and energy reserve.
消化细胞内含许多颗粒,具有酸性磷酸酶活性,表明该细胞能进行细胞内消化。
The digestive cells contain many vesicles which have the acid phosphatase activity, it indicates that the cells are involved in intracellular digestion of food material.
新陈代谢不是指食物的消化能力,而是指一种在组织细胞内发生的化学变化。
Metabolism isn't about the digestion of food in your stomach; it's the name given to all of the chemical changes that occur in an organism's tissue cells.
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