1) Cryptorchidism 2) Cryptorchidy 3) Cryptorchism 4) Monorchidism 1) Monorchidism 
Monorchism is the state of having only one testicle within the scrotum. ==Causes== This can be due to: ==Notable cases== ===Due to testicular cancer=== ===Due to injury=== ===Due to cryptorchidism=== ==Monorchism in nonhuman animals== Although extremely rare, monorchism has been observed to be characteristic of some animal species, notably in beet...
A condition in which only one testis is apparent, the other being absent or undescended. ... Synonym: monorchia, monorchidism. ... Origin: mono-+ G. Orchis, testis ... (05 Mar 2000) ... 
(mon´or-kiz″әm) the condition of having only one testis or one descended testis.
Type: Term Pronunciation: mon′ōr-kizm Definitions: 1. A condition in which only one testis is apparent, the other being absent or undescended. Synonyms: monorchia, monorchidism
[n] - failure of one testes to descend into the scrotum
monorchism The condition of having only one testicle.
monorchidism noun failure of one testes to descend into the scrotum