endoplasm

/'endouplæzm/

Thân thiện

A student observes the endoplasm within a cell diagram.

Definition

1. Noun:
   • The inner portion of the cytoplasm of a cell: "Endoplasm" refers specifically to the dense, granular, inner region of the cytoplasm, which is often more fluid than the outer layer (ectoplasm) and contains most of the cell's organelles.

Usage

• The term "endoplasm" is a specialized biological term used to describe a specific part of a cell's internal structure. It is typically used in scientific, academic, or educational contexts when discussing cell biology, protist movement, or cytology.

Examples

• Noun:
  • The endoplasm of an amoeba streams forward as the cell moves.
  • Organelles like the nucleus are suspended within the cell's endoplasm.
  • The distinction between endoplasm and ectoplasm is clear in many single-celled organisms.

Advanced Usage

• "Endoplasmic streaming" or "cytoplasmic streaming": This is a common process where the endoplasm flows within a cell, facilitating movement and transport of nutrients.
  • Endoplasmic streaming is vital for the locomotion and feeding of amoebas.

Variants and Related Words

• Endoplasmic (adj): Of or relating to the endoplasm.
  • The endoplasmic region contains many vesicles.
• Ectoplasm (n): The outer, more viscous layer of cytoplasm, often contrasted with endoplasm.
• Cytoplasm (n): The general material within a living cell, excluding the nucleus, of which the endoplasm is a part.

Synonyms

• Inner cytoplasm: A descriptive synonym emphasizing its location.
• Granular cytoplasm: A descriptive synonym referring to its common appearance.

Notes on Meaning

• The word "endoplasm" has a single, precise scientific meaning. It does not have different everyday meanings, idioms, or phrasal verbs associated with it, as it is a technical term from cell biology.

Học thuật

Noun

1. the inner portion of the cytoplasm of a cell