When a female spotted hyena gives birth, they pass the cub through the cervix internally, but then pass it out through the elongated clitoris.Hermaphrodite is used in older literature to describe any person whose physical characteristics do not neatly fit male or female classifications, but the term has been replaced by intersex.Sequential hermaphroditism is common in fish (particularly teleost fish) and some jellyfish, many gastropods (such as the common slipper shell), and some flowering plants.
This contrasts simultaneous hermaphrodites, in which an individual may possess fully functional male and female genitalia.
Intersex is in some caused by unusual sex hormones; the unusual hormones may be caused by an atypical set of sex chromosomes.
One possible pathophysiologic explanation of intersex in humans is a parthenogenetic division of a haploid ovum into two haploid ova.
For instance, groupers are favoured fish for eating in many Asian countries and are often aquacultured.
Since the adults take several years to change from female to male, the broodstock are extremely valuable individuals.
The apparent penis in female spotted hyenas is in fact an enlarged clitoris, which contains an external birth canal.