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Penis
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Penis
Latin penis, penes
Gray's subject #262 1247
Artery Dorsal artery of the penis, deep artery of the penis, artery of the urethral bulb
Vein Dorsal veins of the penis
Nerve Dorsal nerve of the penis
Lymph Superficial inguinal lymph nodes
Precursor Genital tubercle, Urogenital folds
MeSH Penis
For the symbol of the erect penis, see phallus.
The penis (plural penises, penes) is an external sexual organ of certain biologically male organisms. The penis is a reproductive organ, technically an intromittent organ, and for placental mammals, additionally serves as the external organ of urination. The penis is generally found on mammals and reptiles.
Contents [hide]
1 Linguistics
1.1 Etymology
1.2 Slang
2 Humans
2.1 Structure
2.2 Puberty
2.3 Sexual homology
2.4 Erection
2.5 Erection Angle
2.6 Ejaculation
2.7 Normal variations
2.8 Disorders
2.8.1 Developmental disorders
2.8.2 Alleged and observed psychological disorders
2.9 Altering the genitalia
2.10 Surgical replacement
2.11 Size
3 Species morphology
4 Cultural aspects
4.1 Uses of animal penises
4.2 Uses of human penises in cultural traditions
5 References
6 See also
7 External links
Linguistics
Etymology
The word "penis" is taken from the Latin word for "tail." Some derive that from Indo-European *pesnis, and the Greek word ÏÎµÎ¿Ï = "penis" from Indo-European *pesos. Prior to the adoption of the Latin word in English the penis was referred to as a "yard". The Oxford English Dictionary cites an example of the word...
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