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

Multilingual Illustrated DVD [Tutorial]

The Biology of Prenatal Development




IBINYABUZIMA BIJYANA NO GUTWITA

.Kinyarwanda


 
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Embryonic Development: 4 to 6 Weeks

Chapter 11   4 Weeks: Amniotic Fluid

Mugihe cy'ibyumweru 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 amaraso yinjira agasoho mu byumba byawo uko uteye.

Umutima uzatera 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

Igihima cyo hejuru n'icyo hasi bitangira gukura nkuko ibyo bihimba bigaragara mugihe cy'ibyumweru 4.

Muri icyo gihe uruhu ruba rubonerana kubera ko aba'rakabumbe kamwe kananutse.

Uko uruhu runanuka rero, ruzagenda ruta kwa kubonerana, aribyo bisobanura ko dushobora gusa kubona ibihimba by'imbere uko bigenda bikura mugihe cy'ukundi kwezi.

Chapter 15   5 Weeks: Cerebral Hemispheres

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

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

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

Imikorere ikagenzurwa n'ibitereko by'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, cyangwa umuheha w'umuyaga, hamwe n'ibihaha.

Chapter 17   Liver and Kidneys

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

Impyiko zihoraho zigaragara mugihe cy'ibyumweru 5.

Chapter 18   Yolk Sac and Germ Cells

Umuhondo w'igi uba ufite ibinyabuzima kamere byitwa imbuto. Mugihe cy'ibyumweru 5 izo mbuto zirimuka kugira ngo zivemo ibihimba by'umubiri bigategana n'impyiko.

Chapter 19   Hand Plates and Cartilage

Nanone mugihe cy'ibyumweru 5, isoro rikuza ibiganza imbavu zitangira kubaho mugihe cy'ibyumweru 5 ½.

Hano turabona ikiganza cy'ibumoso Naho inkokora iboneka nyuma y'ibyumweru 5 n'iminsi 6.


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