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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




BAYỌLỌJI NKE MMALITE OTITO TUPU ỌMỤMỤ NWA

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

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Chapter 41   4 to 5 Months (16 to 20 Weeks): Stress Response, Vernix Caseosa, Circadian Rhythms

N’izu iri na isii usoro gunyere nfanye alanga n’ime afọ nke nwa ebu n’afọ na-akpalite homonụ malitere na mmeghari ahụ na gbapụtakwa nọradrenalini, ma ọ bụ nọrepinefrini, n’ime ọwa ọbara. Ụmụaka amụrụ ọhụrụ na ndi okenye na-enwe mmegharị ahụ yiri onwe ya n’ihe gbasara usoro ọbula na emekpa ha ahụ.

Na sistem okukuume, osisi nke ngụ fodụrụ ntakiri ka o zuo oke.

Otu ihe nchekwa dị ọcha, ana - akpọ “veniks kasiosa”, ga – ekpuchizi nwa ebu n’afọ ugbua. Veniks na – echekwa anu ahụ site n’ihe mgbakasi ahụ si na mmiri ọmụmụ.

Site n’izu iri na itoolu, mmeghari ahụ nwa ebu n’afọ,usoro ọkụkụ ume, na nnọdụ mkpụrụ obi ebido sowe eregede kwa ụbọchị nke ana - akpọ sikadian ridims (ya bụ etu eji emepụta homonụ na-eme ka ihe niile rụọ ọrụ ọfụma).

Chapter 42   5 to 6 Months (20 to 24 Weeks): Responds to Sound; Hair and Skin; Age of Viability

N’izu iri abụọ koklia, nke bụ ọgan eji anụ ihe, eruola ogo nke okenye n’ime otito zuru oke nke imerime nti. Site ugbu a gaa n’ihu, nwa ebu n’afọ ga-emeghari nyere ọtụtụ ụda dị iche iche.

Ntutu ga-ebido towe n’isi nwa.

Ngidingi na odidi anụ ahụ niile aputachaala, tinyere oghere gbara ukwu aji gburu gburu nakwa akụkụ ahụ mmadụ na-ewere imilikiti ihe n’ime mmee mmadụ dote ha ma ọbụ wepụ ha n’ahụ mmadụ

N’izu iri abuæ na otu ruo n’izu iri abuæ na abuæ mgbe njiko spam nwoke na akwa nwanyi ga chara, ngụ ga-enwetatụ ikikere iji iku ume. Nke a ka a na-ewe ka mgbe otito nwa nọ n’ime akpa nwa Ga ezurugor ya nke bụna onwere ike ibilite ndụ makana ịdị ndu na mputa akpanwa ga-enwe isi n’ebe ụfọdụ nwa ebu n’afọ nọ. Ọtụtụ iga n’ihu na nchọpụta nke ndi na-ahụ maka ahụ ike na-eme ka enwe ike ichekwa ndụ nke ụmụaka a mụrụ n’erughi oge ha tosiri iru tupu amụọ ha (ya bụ ụmụaka akachaghị aka).