Definition

1. Noun:
   • A small, distinct structure found inside a cell: An "inclusion body" is a microscopic, often abnormal, particle or aggregate that forms within the main body of a cell (the cytoplasm) or its nucleus. These bodies are not a normal part of the cell's structure and are typically associated with specific conditions, most notably certain viral infections and some genetic or degenerative diseases.

Examples of Usage

• Noun:
  • The pathologist identified viral inclusion bodies in the infected tissue, confirming the diagnosis.
  • Under the microscope, the characteristic inclusion bodies were clearly visible within the host cell's cytoplasm.
  • The presence of these abnormal inclusion bodies is a hallmark of the disease.

Advanced Usage

• "Viral inclusion body": A specific type of inclusion body formed during the replication cycle of a virus inside an infected cell. They are often sites where viral components are assembled or stored.
  • Negri bodies are a classic example of viral inclusion bodies found in rabies-infected neurons.
• "Cytoplasmic inclusion body" / "Nuclear inclusion body": These terms specify the location of the inclusion body within the cell.
  • The inclusion bodies in this case were primarily cytoplasmic, rather than nuclear.

Variants and Related Words

• Inclusion (n): In cell biology, this is the more general term for any discrete structure inside a cell that is not an organelle. An "inclusion body" is a specific type of inclusion.
• Cytoplasmic inclusion (n): A synonym often used interchangeably with "inclusion body," emphasizing its location in the cell's cytoplasm.

Synonyms

• Cellular inclusion (n): A direct synonym.
• Inclusion (n): In the specific context of pathology and cell biology.

Related Phrases / Terms

• To contain inclusion bodies: A phrase describing a cell or tissue sample.
  • The biopsy sample was found to contain numerous inclusion bodies.
• Inclusion body disease: A term for disorders characterized by the formation of these structures.
  • Inclusion body myositis is a progressive muscle disease.

Noun

1. any small intracellular body found within another (characteristic of certain diseases)
   • an inclusion in the cytoplasm of the cell