Medical Dictionary
protoplasm
noun pro·to·plasm \ˈprōt-ə-ˌplaz-əm\
Medical Definition of PROTOPLASM
1
: the organized colloidal complex of organic and inorganic substances (as proteins and water) that constitutes the living nucleus, cytoplasm, plastids, and mitochondria of the cell and is regarded as the only form of matter in which the vital phenomena (as metabolism and reproduction) are manifested
2
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