Dictionary

endosome

noun en·do·some \ˈen-də-ˌsōm\

Definition of ENDOSOME

:  a vesicle formed by the invagination and pinching off of the cell membrane during endocytosis

First Known Use of ENDOSOME

1887

endosome

noun en·do·some \ˈen-də-ˌsōm\   (Medical Dictionary)

Medical Definition of ENDOSOME

1
:  a conspicuous body other than a chromatin granule that occurs within the nuclear membrane of a vesicular protozoan nucleus and is either a karyosome or a nucleolus
2
:  a vesicle formed by the invagination and pinching off of the cell membrane during endocytosis

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