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When Health Begins
The Virtual Human Embryo
Prenatal Development DVD
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6 Months - Birth
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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
UKUFUNDA NGOKWENZEKAYO NGAPHAMBI KOKUZALA
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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)
Embryonic Development: 6 to 8 Weeks
Chapter 20
6 Weeks: Motion and Sensation
See Snapshots
Kumaviki awu 6 ama-cerebral hemispheres akhula ngokushesha ngaphezu kwezinye izingxenye zobuchopho.
Umbungu uqala ukuzenzela iminyakazo ngokwawo. Lo mnyakazo uyadingeka ukusiza ukukhula kwemisipha nemizwa.
See Snapshots
Ukuthintwa emlonyeni kwenza umbungu ugudluze ikhanda ngokulivikela.
Chapter 21
The External Ear and Blood Cell Formation
See Snapshots
Indlebe yangaphandle iqala ukwakheka.
See Snapshots
Kumaviki awu 6, sekuqalile ukwakheka kwamaseli egazi esibindini lapho manje sekukhona ama-lymphocytes. Lo luhlobo lwamaseli amhlophe egazi yingxenye esemqoka yohlelo lwamasosha omzimba.
Chapter 22
The Diaphragm and Intestines
Untu, umsipha ophambili osebenza ekuphefumuleni, lusuke selwakhekile kumaviki awu 6.
See Snapshots
Ingxenye yethumbu manje iphumele okwesikhashana enkabeni. Lo luhlelo oluvamile, okuthiwa yi-physiologic herniation, lunika isikhala ezinye izitho ezikhulayo esiswini.
Chapter 23
Hand Plates and Brainwaves
See Snapshots
Kumaviki awu 6 amapuleti ezandla aba nokwendlaleka.
See Snapshots
Amaza obuchopho aseqoshiwe kumaviki awu 6 no 2 wezinsuku.
Chapter 24
Nipple Formation
See Snapshots
Izingono zivela emaceleni omzimba ngaphambi kokufika endaweni yawo yokugcina ngaphambili kwesifuba.
Chapter 25
Limb Development
See Snapshots
Kumaviki angu 6 1/2, izindololwane sezicacile, iminwe isiqala ukwehlukana, nokunyakaza kwezandla kuyabonakala.
See Snapshots
Ukwakheka kwamathambo, okuthiwa yi-ossification, kuqala ngaphakathi kwi-clavicle, noma ingqwababa, nakumathambo emihlathi.
Chapter 26
7 Weeks: Hiccups and Startle Response
See Snapshots
Ithwabi selike labonakala kumaviki awu 7.
Iminyakazo yemilenze isiyabonakala, kanye nokukhombisa ukwethuka.
Chapter 27
The Maturing Heart
See Snapshots
Inhliziyo enamakamelo awu-4 isicishe iphelele. Ngokuvamile, manje inhliziyo isishaya 167 izikhathi ngomzuzu.
Ukusebenza kukagesi wenhliziyo okwaqoshwa kumaviki awu 7 1/2 kuveza umgudu wamaza ocishe ufane nowomuntu omdala.
Chapter 28
Ovaries and Eyes
See Snapshots
Kwabesimame, izindlala zamaqanda ziyabonakala kumaviki awu 7.
See Snapshots
Kumaviki awu 7 1/2, ulwebu lwehlo olunemibala lubonakala kalula futhi amajwabu amehlo aqala ukukhula ngesivinini.
Chapter 29
Fingers and Toes
See Snapshots
Iminwe isihlukene kanti izinzwane zihlangene kuphela ngaphansi.
See Snapshots
Izandla manje sezingathintana, ngokunjalo nezinyawo.
Amalunga amadolo asekhona.
Introduction
0 - 4 Weeks
4 - 6 Weeks
6 - 8 Weeks
8 Weeks
8 - 12 Weeks
3 - 4 Months
4 - 6 Months
6 Months - Birth