Skip Navigation

Image Gallery

Head and Heart

4 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Note:

If you look just above the heart, it seems like you can look right through the chest.

Label Key:

  • 1. forebrain
  • 2. 1st pharyngeal arch (maxillary process)
  • 3. mouth (stomodeum)
  • 4. 1st pharyngeal arch (mandibular process)
  • 5. auricular groove
  • 6. 2nd pharyngeal arch
  • 7. 3rd pharyngeal arch
  • 8. chest wall
  • 9. liver
  • 10. heart
  • 11. cervical sinus

All ages referenced to fertilization, not last menstrual period.
Hide Labels | Larger | Play Movie #22
Create your own Slideshow
Head and Heart
Head and Heart
Upper and Lower Limb Buds
Upper and Lower Limb Buds
The Lower Embryo
The Lower Embryo
Yolk Sac and Vitelline Vessels
Yolk Sac and Vitelline Vessels
Vitelline Vessels and Yolk Sac
Vitelline Vessels and Yolk Sac
The Lower Limbs and Back
The Lower Limbs and Back
Previous Set Previous Picture Next Set Next Picture
Tell your story. Create your own pregnancy calendar.
When does health begin? Find out now.


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: