| Phallus | |
|---|---|
 Stages in the development of the external sexual organs in the male and female. | |
| Details | |
| Identifiers | |
| Latin | phallus primordialis |
| TE | phallus_by_E5.7.4.0.1.0.2 E5.7.4.0.1.0.2 |
| Anatomical terminology | |
In embryology, the primordial phallus refers to the clitoris of a female, or the penis in the male, during embryonic development of the urinary and reproductive organs, before sexual differentiation is evident. This is also the case for the immature male analog, the immature glans penis.
The external genital form after the 12th week of pregnancy, influenced by the levels of estrogen and testosterone. If the primordial phallus develops into a clitoris, this happens during the first trimester.1
References
References
- Dwyer, Peter L. (2007-12-26). Atlas of Urogynecological Endoscopy (0 ed.). CRC Press. p. 39. doi:10.3109/9780203014332. ISBN 978-0-429-21505-6.