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Definition

noun

(1) The liquid component of the cytoplasm.

(2) The liquid portion of the nucleoplasm, as in nuclear hyaloplasm.

Supplement

The hyaloplasm, which refers to the clear, fluid portion of the cytoplasm, contains water, minerals, ions, amino acids, sugars, etc. It is also used to refer to the clear layer along the front margin of the cytoplasm during the locomotion of cells.

Word origin: Greek hualos, glass + -plasm.

Synonyms:

• ground substance
• cytosol

Compare: cytoplasm.