abnormal sebaceous gland morphology abnormal male preputial gland morphology preputial gland dysplasia MPheno.ontology any structural anomaly of the paired, lobulated, modified sebaceous glands of the corona, the neck of the glans penis, and the inner surface of the prepuce with pheromonal functions in male rodents; male preputial secretions strongly attract females, may accelerate estrus, and have been implicated in intermale aggression; homologous to the clitoral glands (aka female preputial glands) in female rodents; there is no true anatomical equivalent in humans abnormal Tyson's glands abnormal preputial glands abnormal preputial gland morphology MP:0002717 abnormal glans penis morphology abnormal male reproductive gland morphology abnormal preputial gland morphology