In the rat, there is no descending inhibitory controluntil postnatal day 10-12, perhaps due to C and small diameter A fibers not growing into the spinal cord until a few days prior to birth and reaching maturation postnatally (1).
In the rat, there is no descending inhibitory controluntil postnatal day 10-12, perhaps due to C and small diameter A fibers not growing into the spinal cord until a few days prior to birth and reaching maturation postnatally (1).
大鼠直到出生后10～20天方具有下行抑制控制功能，这可能是因为C和细的A纤维直到出生前几日才长入脊髓，出生后趋于成熟[1]。