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The main male sex organs are the penis and the scrotum, which contains the testicles that produce semen and sperm, which, as part of sexual intercourse, fertilize an ovum in the female's body; the fertilized ovum develops into a fetus, which is later born as an infant. The corresponding system in females is the female reproductive system.
Male felids are able to urinate backwards by curving the tip of the glans penis backward. [54] [55] In cats, the glans penis is covered with spines. Penile spines also occur on the glans of male and female spotted hyenas. [54] In male dogs the glans penis is smooth and consists of two parts called the bulbus glandis and pars longa glandis. [56]
Together with the testes and surrounding structures, the penis functions as part of the male reproductive system. The main parts of the penis are the root, body, the epithelium of the penis including the shaft skin, and the foreskin covering the glans.
The glans (/ ɡ l æ n z /, [1] [2] pl.: glandes / ˈ ɡ l æ n d iː z /; from the Latin word for "acorn") [3] is a vascular structure located at the tip of the penis in male mammals or a homologous genital structure of the clitoris in female mammals.
The male reproductive system is a series of organs located outside the body and around the pelvis region of a male that contribute towards the reproduction process. The primary direct function of the male reproductive system is to provide the male sperm for fertilization of the ovum. [3] The major reproductive organs of the male can be grouped ...
They both have a glans area, which will go on to form the clitoral glans (females) or penile glans (males), a urogenital fold and groove, and an anal tubercle. At around ten weeks, the external genitalia are still similar. At the base of the glans, there is a groove known as the coronal sulcus or corona glandis.
The pseudo-penis and pseudo-scrotum, which are actually a masculinized vulva, closely resemble the male hyena's genitalia, but can be distinguished from the male by the female's greater thickness and more rounded glans. [23] Domestic cats have barbed penises, with about 120–150 one millimetre long backwards-pointing spines. [24]
The body of the penis is suspended from the pubic symphysis. [7] It has two surfaces; the dorsal and the ventral or urethral.The penile raphe runs on its ventral surface.. The body is surrounded by a bi-layered model of tunica albuginea in which a distal ligament buttresses the glans penis and plays an integral role to the penile fibroskeleton, and the structure is called "os analog", a term ...