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The Endowment for Human Development
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Multilingual Illustrated DVD [Tutorial]

The Biology of Prenatal Development




IBINYABUZIMA BIJANA NO GUTWITA

.Kirundi [Kirundi (Rundi)]


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

Mugihe c' amayinga 4 haboneka amavuta asukuye akikije isoro mu mavuta yuzuye igi. Ayo mavuta atagira umwanda, yitwa amavuta y'urukoko, arinda isoro kudakomereka.

Chapter 12   The Heart in Action

Umutima muzima utera inshuro 113 ku munota.

Reba uko umutima uhindura ibara uko umutima winjira usohoka mu vyumba vyawo uko uteye.

Umutima uzotera hafi inshuro miriyoni 54 mbere yo kuvuka n'inshuro zirenze miriyardi 3,2 mugihe kirenze uburambe bw'imyaka 80.

Chapter 13   Brain Growth

Gukura vuba k'ubwonko bigaragazwa n'umuntu uko ahinduka bitewe n'ubwonko bw'imbere, ubwonko bwo hagati, n'ubwonko bw'inyuma.

Chapter 14   Limb Buds

Igihimba co hejuru n'ico hasi bitangura gukura nkuko ivyo bihimba bigaragara mugihe c' amayinga 4.

Muri ico gihe uruhu ruba rubonerana kubera ko akabumbe kamwe kaba kanamve.

Uko uruhu runamba rero, ruzogenda ruta kwa kubonerana, arivyo bisobanura ko dushobora gusa kubona ibihimba vy'imbere uko bigenda bikura mugihe c'ukundi kwezi.

Chapter 15   5 Weeks: Cerebral Hemispheres

Hagati y' amayinga 4 na 5, ubwonko bukomeza gukura vuba kandi bukigabanyamo imirwi 5 itandukanye.

Umutwe uba ufite ibihwanye na 1/3 c'isoro ryose.

Ibitereko vy'ubwonko bigaragara, buhoro-buhoro. uko bigenda biba binini.

Imikorere ikagenzurwa n'ibitereko vy'ubwonko harimo, ibitekerezo, kwiga, kwibuka, kuvuga, inzozi, kumva, kwinyagambura kubushake, no gukemura ibibazo.

Chapter 16   Major Airways

Mubuhumekero, iburyo n'ibumoso shingiro ry'ibihaha hari kandi hashobora kwifatanya n'umuyoboro, cangwa umukenke w'umuyaga, w'ibihaha.

Chapter 17   Liver and Kidneys

Reba uburyo umwijima munini wuzuye inda uteganye n'umutima utera.

Imfyiko zihoraho zigaragara mugihe c' amayinga 5.

Chapter 18   Yolk Sac and Germ Cells

Umuhondo w'igi uba ufite ibinyabuzima kamere vyitwa imbuto. Mugihe c'amayinga 5 izo mbuto zirimuka kugira ngo zivemo ibihimba vy'umubiri bigategana n'imfyiko.

Chapter 19   Hand Plates and Cartilage

Nanone mugihe c'amayinga 5, isoro rikuza ibiganza imbavu zitangira kubaho mugihe c' amayinga 5 ½.

Hano turabona ikiganza c'ibumoso Naho inkokora iboneka nyuma y' amayinga 5 n'iminsi 6.