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The Endowment for Human Development
The Endowment for Human Development
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The Rooting Reflex


3 months

From The Biology of Prenatal Development.Buy Now

Script: 앞서 보았던 움츠리는 반응과는 대조적으로 입 주위 부분에 자극이 오면 이제는 자극을 향하여 머리를 돌리고 입을 벌린다 이 반응은 '헤적이 반사'라 불리는데 출생 후에도 계속되며 신생아가 수유 때 엄마의 젖꼭지를 찾을 수 있도록 돕는 것이다

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Bowel Movements
Bowel Movements
Upper and Lower Limbs
Upper and Lower Limbs
The Rooting Reflex
The Rooting Reflex
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Responds to Touch
Responds to Touch
When does health begin? Find out now.
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