Felines, especially domestic cats, are well known for having penile spines. Upon withdrawal of a cat's penis, the spines rake the walls of the female's vagina, which may serve as a trigger for ovulation. Many other felid species have penile spines, but they are relatively small in jaguars and pumas, and do not occur in margays.. Penile spines in chimpanzees and mice are small surface.
Jun 19, · Care guide for Sexual Function in Men after Spinal Cord Injury (Discharge Care). Includes: possible causes, signs and symptoms, standard treatment options .
Aug 20, · A long penis can hurt because during penetration it can hit the cervix. A wide penis may feel like its stretching you too much and it can also lead to more bacterial infections if it’s rubbing (and irritating) your urethra.
Sciatica. If pain shoots down from your lower back, through your bottom, and into your leg, the culprit may be your sciatic nerve. A herniated disk, bone spur, or some other spine problem can put.