bulbocavernosus reflex, bulbospongiosus reflex

bulbocavernosus reflex, bulbospongiosus reflex, the contraction of the bulbospongiosus muscle when the dorsum of the penis is tapped or the glans penis is compressed. The response can be elicited in women by applying pressure to the clitoris. This reflex is useful in the evaluation of patients with spinal shock.