Translate:
English
Chinese (S)
Chinese (T)
Croatian
Dutch
French
German
Hebrew
Italian
Japanese
Korean
Portuguese
Russian
Serbian
Spanish
Swedish
Turkish
Additional
alpha motor neurons
English Wikipedia - The Free Encyclopedia
Download this dictionary
Alpha motor neuron
Alpha
(
a
)
motor neurons
(also called
alpha motoneurons
), are large, multipolar
lower motor neurons
of the
brainstem
and
spinal cord
. They innervate
extrafusal muscle fibers
of
skeletal muscle
and are directly responsible for initiating their
contraction
. Alpha motor neurons are distinct from
gamma motor neurons
, which innervate
intrafusal muscle fibers
of
muscle spindles
.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License