The Visual Guide to
Feline Reproduction
Male Reproductive System: Penis
Phallus. Tip of Penis
Extended penis in an intact sexually mature tom. Note the testosterone dependent spines surrounding the base of the penis. When flaccid, the penis points caudally. When fully erect, the penis will point cranially.
Johnson AK (2021)
Prepubertal Penis
Penis in a pre-pubertal male. At 6 months of age, the penis is still adhered within the sheath and is not able to be fully extended. No penile spines are present. As this tom enters puberty, the adhesions will break down and the penis can be easily exteriorized.
Johnson AK (2021)
Penile Spines
Penis in a peripubertal male. This male has small penile spines indicating testosterone is increasing and puberty is nearing completion. These spines will become more apparent as this tom matures.
Johnson AK (2021)