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endocytosis vs. exocytosis

endocytosis

[en-doh-sahy-toh-sis] / ˌɛn doʊ saɪˈtoʊ sɪs /

noun

Physiology.

the transport of solid matter or liquid into a cell by means of a coated vacuole or vesicle (exocytosis ).

exocytosis

[ek-soh-sahy-toh-sis] / ˌɛk soʊ saɪˈtoʊ sɪs /

Physiology.

the transport of material out of a cell by means of a sac or vesicle that first engulfs the material and then is extruded through an opening in the cell membrane (endocytosis ).