Penis
Assorted animal
Doris pseudoargus Mollusk
Moroteuthis ingens Squid
Anas platyrhynchos Mallard
Non-human mammal penis
A collection of penises from mink whales (Balaenoptera acutorostrata).
Horse penis diagram
Canine- Labrador Retriever
Elephant
Human penis
Anatomical
Flaccid or relaxed human penis
Flaccid human penis
Partially engorged or semi-erect penis
See also: Category:Human penis by degree of rigidity. The male penis is not under voluntary control and may become enlarged for a number of reasons.
Human penile functions
Process of penile erection
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Normal erect penis
See also: Category:Erect human penis. 
Normal fully erect penis
5" erect penis
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Glans penis
Distorted erect penis
Penises can become distorted by disorders, injury or repeated mild maltreatment, but deformation rarely affects function.
Mutilation and modification
Masturbation
See also: Category:Masturbation. There are many images and videos of masturbation within Wikimedia Commons, of which these are only illustrative samples:
Uncircumcised man using the "Camp fire" technique
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Artistic representations
See also: Category:Erotic art. - See Wikipedia article w:Erotic art in Pompeii
Johannes Benk, Helios
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Medical images of human penis
See also:
Hirsuties papillaris penis
Hirsuties coronae glandis or "pearly penile papules" is a harmless anatomical variation.
Hypospadias
Hypospadias is a birth defect of the penis. The development of the phallus halts, leaving the opening of the urethra under instead of at the top of the penis. The opening can be anywhere from the underside of the glans penis, down the ventral line as far as the top of the scrotum.
erect
erect
flaccid
erect
Phimosis
This is a condition where the foreskin cannot be fully retracted over the glans penis.
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Other medical images
Female and male genitalia
Pre-ejaculate
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