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Cytoplasm: meaning, definitions and examples

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cytoplasm

 

[ ˈsaɪtəʊˌplæzm ]

Noun
Context #1 | Noun

cell biology

Cytoplasm is the gel-like substance that fills the interior of a cell, excluding the nucleus. It is composed mainly of water, salts, and organic molecules, providing a medium for the cellular processes. Within the cytoplasm, various organelles are suspended, each performing vital functions necessary for the cell's survival and operation. The cytoplasm plays a crucial role in cell metabolism and facilitates the movement of materials around the cell.

Synonyms

cell sap, cytosol, protoplasm

Examples of usage

  • The cytoplasm is where most cellular processes occur.
  • Organelles are found suspended in the cytoplasm.
  • The cytoplasm contributes to the cell's overall shape.

Etymology

The term 'cytoplasm' comes from the Greek word 'kytos' meaning 'cell' and 'plasma' meaning 'something formed or molded'. The concept of cytoplasm was first introduced by scientists in the mid-19th century, when advancements in microscopy allowed researchers to observe the internal structures of cells. Initially, it was considered just a viscous fluid, but with further studies, it was revealed to be a complex environment for biochemical reactions. Over the years, the understanding of cytoplasm has evolved, highlighting its role in cellular processes such as intracellular transport, signaling, and cellular division. The study of cytoplasm continues to be a vital aspect of cell biology and biochemistry.

Word Frequency Rank

Ranked #10,612, this word falls into high-advanced vocabulary. It appears less frequently but is valuable for expressing precise meanings in specific contexts.