11 ч 50 мин, 14 янв 2003 г. - Second Trimester: Vernix Caseosa
Описание:
On week 19 the fetus is covered in vernix caseosa. This is a white waxy substance that protects the skin, since the skin is still delicate and developing. During this week brown fat is also developed. Its role is to bring warmth to the fetus.
Добавлено на ленту времени:
Дата:
11 ч 50 мин, 14 янв 2003 г.
Сейчас
~ 22 г назад
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