Definition

1. Adjective:
   • Not capable of movement; non-motile: Used primarily in biology to describe cells, microorganisms (like bacteria or protozoa), or spores that lack the ability to move independently.

Usage

• The term "immotile" is a scientific adjective, most commonly applied in microbiology, cell biology, and medicine.
• It describes a state of being unable to move, which is a key characteristic for classifying certain organisms or cells.
• It is often used in contrast to "motile" (capable of movement).

Examples

• Adjective:
  • The laboratory report indicated that the sperm sample was largely immotile, which can affect fertility.
  • Unlike many bacteria, some species are immotile and rely on other means for dispersal.
  • The fungus produces immotile spores that are spread by the wind.

Advanced Usage

• "Immotile cilia syndrome": A medical condition, also known as primary ciliary dyskinesia, where the cilia (hair-like structures) on cells are immotile, leading to respiratory and other health issues.
  • Patients with immotile cilia syndrome often experience chronic respiratory infections.

Variants and Related Words

• Immotility (noun): The state or condition of being immotile.
  • The immotility of the pathogen makes its transmission dependent on vectors.

Synonyms

• Non-motile: Not capable of spontaneous movement. (A direct synonym in scientific contexts.)
• Sessile: In biology, often used for organisms that are fixed in one place and do not move. (Note: "sessile" can also refer to anatomical structures and is a close, but not always perfect, synonym.)
• Stationary: Not moving or not intended to be moved. (A more general term.)

Antonyms

• Motile: (Of cells, microorganisms, etc.) capable of motion.
  • A motile bacterium can swim toward nutrients.

Adjective

1. (of spores or microorganisms) not capable of movement