Skip to main content
efferent

efferent

9.5
A nerve or blood vessel that carries things away from the brain and spinal cord
  • noun
  • /ˈɛfərənt/
  • Specialized
translation icon : eferente
  • The efferents carry signals from the brain to the muscles, enabling movement.

Examples

  • How do we know that they're efferents versus afferents?

  • One potential protective mechanism is activation of the medial cochlear efferents.

    Academic text (1998)
  • Further experiments analyzing the functional role the efferents may play during sound conditioning will be needed.

    Academic text (1998)
  • You find that there is a huge difference in the two ears where the efferents or these olivo cochlear neurons have been cut.

  • The resultant erosion of myelin sheaths and the "crosstalk" between the cochlear efferent and afferent nerves can produce tinnitus.

    Academic text (1995)
  • The body relies on efferents to transmit commands for voluntary actions.

  • In experiments, researchers observed how efferents control various bodily functions.

Synonyms

motor nerve
vsefferent
  • Specialized
1 4.5

A body part that sends messages from the brain and spine to make muscles move or glands work

is broader, applying to nerves and vessels rather than only those causing action
efferent nerve
vsefferent
  • Specialized
6.8

A nerve that sends signals from the brain and spinal cord to muscles or glands

applies to nerves and to vessels carrying signals or substances away from a central organ
efferent fiber
vsefferent
  • Specialized
8.1

A nerve that carries signals from the brain or spinal cord to muscles and glands

refers more broadly to nerves or vessels moving signals or substances away
efferent neuron
vsefferent
  • Specialized
7.4

Nerve cell that carries signals from the brain or spinal cord to muscles and glands

covers both nerve cells and vessels that carry signals or substances away

Antonyms

afferent
  • Specialized
1 8.9

Carrying sensory information from the body to the spinal cord or brain

Compounds

efferent fiber
  • Specialized
8.1

A nerve that carries signals from the brain or spinal cord to muscles and glands

efferent nerve
  • Specialized
6.8

A nerve that sends signals from the brain and spinal cord to muscles or glands

efferent neuron
  • Specialized
7.4

Nerve cell that carries signals from the brain or spinal cord to muscles and glands

Surface Forms

efferent singular
efferents plural

Morphology

efferent = ef + fer + ent

Formed from Latin combining elements (ef- + fer + -ent) that are not recognizable as standalone English words to an average B1 learner, and the term is technical.

Etymology

Efferent comes from the Latin parts ex- meaning 'out' and ferre meaning 'to carry'. You can see the same 'carry' root in transfer, which helps you remember that an efferent nerve or vessel carries signals or substances away from the brain or spinal cord.