motile

Able to move

Motile describes organisms or cells capable of independent movement.

The term appears primarily in biology: motile sperm cells, motile bacteria.

It contrasts with sessile, which describes organisms fixed in place.

The noun motility refers to this capacity for self-propelled motion.

biological

flagella

Whiplike locomotion appendages

  • ciliaHairlike cellular projections
  • amoebaShape-shifting single-celled organism
  • spermatozoaMale reproductive cells

bacteria · protozoa · paramecium · euglena · sperm · microorganism · gamete · phytoplankton · diatom · ciliate

ambulatory

locomotion

Ability to travel independently

traveling · wandering · roaming · free-swimming · crawling · creeping · gliding · undulating · propulsion · displacement

cellular

actin

Cellular contractile protein

cytoskeleton · organelle · vesicle · intracellular · mitochondria · contractile · cytoplasm · membrane · ATP

Categories
Opposites
capacity for self-directed movement

motilesessile

Attached at base

nonmotile · immotile · immobile · stationary · fixed

Phrases
Family

emotion, motion, motive, commotion, locomotive, motility

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