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The Endowment for Human Development
The Endowment for Human Development
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Multilingual Illustrated DVD [Tutorial]

The Biology of Prenatal Development




UKUFUNDA NGOKWENZEKAYO NGAPHAMBI KOKUZALA

.isiZulu [Zulu]


National Geographic Society This program is distributed in the U.S. and Canada by National Geographic and EHD. [learn more]

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Embryonic Development: 4 to 6 Weeks

Chapter 11   4 Weeks: Amniotic Fluid

Kumaviki awu 4 i-amnion ecacile izungeza umbungu esakeni eligcwele uketshezi. Lo luketshezi olungenamagciwane, okuthiwa yi-amniotic fluid, luvikela umbungu ekulimaleni.

Chapter 12   The Heart in Action

Inhliziyo ishaya izikhathi eziwu 113 ngomzuzu.

Qaphela indlela inhliziyo eguqula ngayo umbala uma igazi lingena noma liphuma emagumbini ayo uma ishaya.

Inhliziyo izoshaya cishe izikhathi eziwu 54 million ngaphambi kokuzalwa nangaphezu kuka 3.2 billion esikhathini esiyiminyaka yempilo engu 80.

Chapter 13   Brain Growth

Ukukhula ngamandla kobuchopho kuvezwa wukushintsha kokubukeka kobuchopho obuphambili, ubuchopho obuphakathi, nobuchopho obungemuva.

Chapter 14   Limb Buds

Kuqala ukukhula kwezingalo nemilenze ngokuvela kwamahlumela emavikini awu 4.

Kule nkathi isikhumba sikhanya ngale ngoba siwugqinsi ngeseli kuphela.

Uma lwanda ugqinsi lwesikhumba, ngeke sisabonakala ngale, okushukuthi sizokwazi ukubona izitho zangaphakathi zikhula cishe enye inyanga.

Chapter 15   5 Weeks: Cerebral Hemispheres

Phakathi kuka 4 no 5 amaviki, ubuchopho buyaqhubeka nokukhula ngamandla bese buhlukaniseka izingxenye eziwu 5 ezicacile.

Ikhanda licishe libe wu 1/3 wabo bonke ubukhulu bombungu.

Kuvela ama- cerebral hemisheres, agcine eseyizingxenye ezinkulu kunazozonke zobuchopho.

Imisebenzi egcina isilawulwa ngama-cerebral hemispheres ibala ukucabanga, ukufunda, inkumbulo, ukukhuluma, ukubona, ukuzwa, ukunyakaza kokuzithandela, nokuxazulula izinkinga.

Chapter 16   Major Airways

Emgudwini wokuphefumula, kukhona awesokudla nawesobunxele asemqoka ama-stem bronchi kanti azogcina exhume uqhoqhoqho, namaphaphu.

Chapter 17   Liver and Kidneys

Qaphela isibindi esikhulu esigcwele isisu eceleni kwenhliziyo eshayayo.

Izinso zonomphelo zivela kumaviki awu 5.

Chapter 18   Yolk Sac and Germ Cells

Igobosi lesikhupha linamaseli enzalo asekuqaleni okuthiwa ama-germ cells. Kumaviki awu 5 lama germ cells aya ezithweni zenzalo eziseceleni kwezinso.

Chapter 19   Hand Plates and Cartilage

Futhi kumaviki awu 5, umbungu umila isithebe ezandla, bese uqwanga luqale kumaviki awu 5 1/2.

Lapha sibona isithebe lesandla sobunxele nesihlakala kumaviki awu 5 nezinsuku eziwu 6.