What does efferent mean?
The term efferent refers to nerves or nerve fibres that carry signals away from the central nervous system, including the brain and spinal cord. Efferent neurons, also known as motor neurons, transmit signals to muscles or glands, enabling various bodily functions such as movement, digestion, and circulation. This term is crucial in understanding the nervous system and its functions. Efferent is often used in contrast to afferent, which refers to nerves or signals that carry information towards the central nervous system. The distinction between efferent and afferent is essential in fields like neuroscience, anatomy, and medicine.
adjectiveRelating to or denoting nerves or nerve fibres that carry signals away from the central nervous system. Efferent neurons transmit signals from the brain or spinal cord to muscles or glands.
- relating to efferent nerves or neurons
- transmitting signals away from the central nervous system
"The efferent nerves control the muscles that regulate blood pressure."
"The efferent nerves control the muscles that regulate blood pressure."
"Efferent neurons play a crucial role in the regulation of bodily functions."
The plural form is used when referring to multiple efferent nerves or neurons.
"The efferents and afferents work together to regulate bodily functions."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of efferent
The word efferent originates from the Latin word 'effero', which means 'to carry out' or 'to bear out'. This Latin term is a combination of 'ex', meaning 'out', and 'fero', meaning 'to carry'. The word efferent has been used in English since the 17th century to describe nerves or nerve fibres that carry signals away from the central nervous system.
Usage notes
In anatomy and neuroscience, efferent is often used in contrast to afferent. The term is commonly used in academic and medical contexts.