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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
PRENATĀLĀS ATTĪSTĪBAS BIOLOĢIJA
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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
6 nedēļās galvas smadzeņu puslodes aug nesalīdzināmi ātrāk par citiem smadzeņu sektoriem.
Embrijs sāk izdarīt spontānas un refleksīvas kustības. Šādas kustības ir nepieciešamas, lai stimulētu normālu neiromuskulāro attīstību.
See Snapshots
Pieskāriens mutes atrašanās vietā liek embrijam refleksīvi attālināt galvu.
Chapter 21
The External Ear and Blood Cell Formation
See Snapshots
Veidojas ārējās ausis.
See Snapshots
6 nedēļās aknās, kur patreiz atrodas limfocīti, izveidojas asins šūnas. Šīm baltajām asins šūnām ir ļoti svarīga nozīme imūnās sistēmas attīstībā.
Chapter 22
The Diaphragm and Intestines
Diafragma, primārais muskulis, kas tiek lietots elpošanas procesā, 6 nedēļās ir jau gandrīz izveidojusies.
See Snapshots
Zarnu daļa uz neilgu laiku ir ievirzījusies nabassaitē. Šis normālais process, ko sauc par fizioloģisko herniāciju, atbrīvo vietu citiem topošajiem orgāniem vēderā.
Chapter 23
Hand Plates and Brainwaves
See Snapshots
6. nedēļā plaukstu pumpuri nedaudz noplacinās.
See Snapshots
Primitīva smadzeņu aktivitāte ir novērota jau 6 nedēļās un 2 dienās.
Chapter 24
Nipple Formation
See Snapshots
Ķermeņa sānos parādās krūšu galiņi, īsi pirms tie sasniedz savu galapunktu krūškurvja priekšpusē.
Chapter 25
Limb Development
See Snapshots
6 1/2 nedēļās var labi redzēt elkoņus, pirksti sāk atšķirties un ir redzamas plaukstu kustības.
See Snapshots
Kaulu veidošanās, jeb pārkaulošanās, sākas ar atslēgas kaulu un kauliem augšējā un apakšējā žoklī.
Chapter 26
7 Weeks: Hiccups and Startle Response
See Snapshots
7 nedēļās var novērot žagošanos.
Var redzēt kāju kustības un pārsteiguma reakciju.
Chapter 27
The Maturing Heart
See Snapshots
Sirds ar 4 kambariem ir jau gandrīz gatava. Sirds pukst vidēji 167 reizes minūtē.
Sirds elektriskā aktivitāte, kas novērota 7 1/2 nedēļās, ir viļņveidīga un līdzīga pieaugušajiem.
Chapter 28
Ovaries and Eyes
See Snapshots
7 nedēļās sievietēm ir novērojamas olnīcas.
See Snapshots
7 1/2 nedēļās pigmentētā acs tīklene ir viegli saskatāma, un plakstiņiem sākas straujš augšanas periods.
Chapter 29
Fingers and Toes
See Snapshots
Pirksti ir atšķīrušies un kāju pirksti savienoti tikai pamatnēs.
See Snapshots
Rokas un kājas spēj sakļauties.
Ir novērojamas ceļu locītavas.
Introduction
0 - 4 Weeks
4 - 6 Weeks
6 - 8 Weeks
8 Weeks
8 - 12 Weeks
3 - 4 Months
4 - 6 Months
6 Months - Birth