microglia

Thân thiện

A scientist observes microglia under a microscope in the laboratory.

Definition

Noun: 1. A type of neuroglial cell of mesodermal origin that can become phagocytic: Microglia are a specific category of glial cells in the central nervous system (brain and spinal cord). Unlike other glial cells, they originate from mesoderm and function as the primary immune defense, capable of transforming into phagocytic cells to engulf and digest cellular debris, pathogens, or damaged neurons.

Usage Examples

• Noun:
  • Activated microglia are a key feature in the brain's response to injury.
  • The study focused on the role of microglia in neurodegenerative diseases like Alzheimer's.
  • In a healthy state, microglia are in a resting surveillance mode.

Advanced Usage

• "Microglial activation": The process by which microglia change from a resting state to an active, often inflammatory, state in response to a signal.
  • Chronic microglial activation is thought to contribute to neuronal damage.

Variants and Related Words

• Microglial (adj): Pertaining to or characteristic of microglia.
  • Researchers observed a microglial response to the infection.

Synonyms

• Brain macrophages: A descriptive synonym highlighting their immune function within the central nervous system.

Học thuật

Noun

1. neuroglial tissue of mesodermal origin that can become phagocytic