Image GalleryThe Mouth, Lips, and Tongue |
| Buy NowFrom The Biology of Prenatal Development. |
Note:Swallowing amniotic fluid begins at about nine weeks following fertilization. The mouth is officially open for business.Label Key:
|
| All ages referenced to fertilization, not last menstrual period. |
|
Create your own Slideshow |
| Previous Set Previous Picture | Next Set Next Picture |


