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When Health Begins
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Prenatal Development DVD
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Multilingual Illustrated DVD
Multilingual Illustrated DVD
[Tutorial]
The Biology of Prenatal Development
Introduction
0 - 4 Weeks
4 - 6 Weeks
6 - 8 Weeks
8 Weeks
8 - 12 Weeks
3 - 4 Months
4 - 6 Months
6 Months - Birth
IBINYABUZIMA BIJANA NO GUTWITA
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Table of Contents
Chapter 1 – Introduction
Chapter 2 – Terminology
THE EMBRYONIC PERIOD (THE FIRST 8 WEEKS)
EMBRYONIC DEVELOPMENT: THE FIRST 4 WEEKS
Chapter 3 – Fertilization
Chapter 4 – DNA, Cell Division, and Early Pregnancy Factor (EPF)
Chapter 5 – Early Stages (Morula and Blastocyst) and Stem Cells
Chapter 6 – 1 to 1 1/2 Weeks: Implantation and Human Chorionic Gonadotropin (hCG)
Chapter 7 – The Placenta and Umbilical Cord
Chapter 8 – Nutrition and Protection
Chapter 9 – 2 to 4 Weeks: Germ Layers and Organ Formation
Chapter 10 – 3 to 4 Weeks: The Folding of the Embryo
EMBRYONIC DEVELOPMENT: 4 TO 6 WEEKS
Chapter 11 – 4 Weeks: Amniotic Fluid
Chapter 12 – The Heart in Action
Chapter 13 – Brain Growth
Chapter 14 – Limb Buds and Skin
Chapter 15 – 5 Weeks: Cerebral Hemispheres
Chapter 16 – Major Airways
Chapter 17 – Liver and Kidneys
Chapter 18 – Yolk Sac and Germ Cells
Chapter 19 – Hand Plates and Cartilage
EMBRYONIC DEVELOPMENT: 6 TO 8 WEEKS
Chapter 20 – 6 Weeks: Motion and Sensation
Chapter 21 – The External Ear and Blood Cell Formation
Chapter 22 – The Diaphragm and Intestines
Chapter 23 – Hand Plates and Brainwaves
Chapter 24 – Nipple Formation
Chapter 25 – Limb Development
Chapter 26 – 7 Weeks: Hiccups and Startle Response
Chapter 27 – The Maturing Heart
Chapter 28 – Ovaries and Eyes
Chapter 29 – Fingers and Toes
THE 8-WEEK EMBRYO
Chapter 30 – 8 Weeks: Brain Development
Chapter 31 – Right- and Left-Handedness
Chapter 32 – Rolling Over
Chapter 33 – Eyelid Fusion
Chapter 34 – "Breathing" Motion and Urination
Chapter 35 – The Limbs and Skin
Chapter 36 – Summary of the First 8 Weeks
THE FETAL PERIOD (8 WEEKS THROUGH BIRTH)
Chapter 37 – 9 Weeks: Swallows, Sighs, and Stretches
Chapter 38 – 10 Weeks: Rolls Eyes and Yawns, Fingernails & Fingerprints
Chapter 39 – 11 Weeks: Absorbs Glucose and Water
Chapter 40 – 3 to 4 Months (12 to 16 Weeks): Taste Buds, Jaw Motion, Rooting Reflex, Quickening
Chapter 41 – 4 to 5 Months (16 to 20 Weeks): Stress Response, Vernix Caseosa, Circadian Rhythms
Chapter 42 – 5 to 6 Months (20 to 24 Weeks): Responds to Sound; Hair and Skin; Age of Viability
Chapter 43 – 6 to 7 Months (24 to 28 Weeks): Blink-Startle; Pupils Respond to Light; Smell and Taste
Chapter 44 – 7 to 8 Months (28 to 32 Weeks): Sound Discrimination, Behavioral States
Chapter 45 – 8 to 9 Months (32 to 36 Weeks): Alveoli Formation, Firm Grasp, Taste Preferences
Chapter 46 – 9 Months to Birth (36 Weeks through Birth)
Chapter 40
3 to 4 Months (12 to 16 Weeks): Taste Buds, Jaw Motion, Rooting Reflex, Quickening
See Snapshots
Hagati y' amayinga 11 na 12, igi ryongera ibiro hafi 60%.
Amayinga 12 haba harangiye kimwe c'agatatu kibanza, cangwa amezi 3 yo gutwita.
See Snapshots
Mu munwa haza icumva uburyohe n'ububihe.
Igihe co kuvuka iyo kumva uburyohe n'ububihe bigumaho gusa ku rurimi no kurusenge rw'umunwa.
See Snapshots
Amara atangura kujegajega nyuma y' amayinga 12 gusa agakomeza gutyo igihe c' amayinga 6.
Umubiri utangura kuva mu igi n'urura rugari rw'uruyoya arico citwa umwanda. Uba igizwe n'ivyo uruyoya rwariye rukiri munda, za proteine n'utuburungu tw'amaraso tuba twarapfuye bikorwa n'inda.
See Snapshots
Mugihe c' amayinga 12, igihimba co hejuru kiba hafi carageze uko kizoreha. Ibihimba vyo hasi bifata igihe kugira ngo bigere uko bizoreha.
See Snapshots
Uretse gusa umugongo no kugahanga, umubiri wose w'uruyoya ushobora kumva iyo ukozweko.
See Snapshots
Itandukaniro ry'imikurire y'igitsina n'ibijana naco nibwo bigaragara ubwa mbere. Urugero, utuyoya gore tujegajeza imisaya kenshi kurusha utuyoya gabo.
See Snapshots
Kubera nkuko twabibonye kare, ibituma umunwa uryoherwa vyerekana impamvu zishira gufungura umunwa. Ivyo vyitwa "ugushaka inzira" kandi birakomeza na nyuma yo kuvuka, bifasha uruyoya rwavutse kumenya imoko za nyina igihe co konka.
See Snapshots
Isura ikomeza gukura uko urukoko rw'amavuta rugenda rushongera mu ruhu n'amenyo atangura kumera.
See Snapshots
Mugihe c' amayinga 15, nibwo utuburungu tuvyara amaraso tuza, tukizingira mu igufwa ritarakomera. Utuburungu dukora amaraso tuzoboneka aha.
See Snapshots
Nubwo igi ry'umwana ritangura gutera nk'igicuro mu m'amayinga 6, ariko umugore utwite atangura kumva inda itera ubwambere hagati y' amayinga 14 na 18. Ubusanzwe ico gihe citwa ico hagati mu gutwita.
Introduction
0 - 4 Weeks
4 - 6 Weeks
6 - 8 Weeks
8 Weeks
8 - 12 Weeks
3 - 4 Months
4 - 6 Months
6 Months - Birth