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Human penis. In human anatomy, the penis ( / ˈpiːnɪs /; pl.: penises or penes; from the Latin pēnis, initially "tail" [ 1]) is an external male sex organ ( intromittent organ) that serves as a passage for excretion of urine and ejaculation of semen. The main parts are the root, body, the epithelium of the penis including the shaft skin, and ...
The male reproductive system consists of a number of sex organs that play a role in the process of human reproduction. These organs are located on the outside of the body, and within the pelvis . 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 ...
Scrotum. In most terrestrial mammals, the scrotum ( pl.: scrotums or scrota; possibly from Latin scortum, meaning "hide" or "skin") [1] [2] or scrotal sac is a part of the external male genitalia located at the base of the penis. It consists of a sac of skin containing the external spermatic fascia, testicles, epididymides, and vasa deferentia.
The glans penis as the expansion of the corpus spongiosum. The glans penis is a body of spongy erectile tissue that is moulded on the rounded ends of the two corpora cavernosa penis, [ 9] extending farther on their upper than on their lower surfaces. It is the expanded cap of the corpus spongiosum, [ 10] a sponge-like region that surrounds the ...
The cells lining the urethra (the epithelium) come from endoderm, whereas the connective tissue and smooth muscle parts are derived from mesoderm. [16] After the third month, urethra also contributes to the development of associated structures depending on the biological sex of the embryo. In the male, the epithelium multiples to form the prostate.
The body of the penis is suspended from the pubic symphysis. 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 ...
A penis ( / ˈpiːnɪs /; pl.: penises or penes) is a male sex organ that is used to inseminate female or hermaphrodite animals during copulation. [ 1][ 2] Such organs occur in both vertebrates and invertebrates, but not in all male animals. The term penis applies to many intromittent organs, but not to all.
Male reproductive system. 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] Penile shrinkage due to low ...
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