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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
出生前发育生物学
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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)
The 8-Week Embryo
Chapter 30
8 Weeks: Brain Development
See Snapshots
在8周,头脑发育很好, 并且占胚胎全部 体重的几乎一半。
生长以非凡的速度持续。
Chapter 31
Right- and Left-Handedness
See Snapshots
到8周,75%的胚胎 展示右手向先。 余下的胚胎中 左手向先和 没有偏爱者 各占一半。 这是右手或左手向先 举止的最早迹象。
Chapter 32
Rolling Over
See Snapshots
儿科教科书描述 "翻身"的能力 在出生后10至20周出现。 然而,这种令人 印象深刻的协调 展现得更早, 是在充满液体的 羊膜囊内低地心吸力 的环境中。 新生儿不能翻身, 只是因为缺乏力量, 不能克服子宫外 更大的地心吸力。
See Snapshots
这个时候,胚胎更加 活耀运动。
运动可能慢或快、 一次或者重复、 自发或者反射。
更加经常发生 头转动、俯卧抬头、 手与脸接触。
See Snapshots
抚摸胚胎 引起斜视、 颚运动、 抓的动作 和脚趾弄尖。
Chapter 33
Eyelid Fusion
See Snapshots
在7到8周之间, 上下眼睑 在眼睛上面快速生长, 部分熔合起来。
Chapter 34
"Breathing" Motion and Urination
See Snapshots
虽然子宫内没有空气, 到8周,胚胎显示 间歇呼吸运动。
See Snapshots
这时,肾生产尿, 排泄到羊水中。
男性胚胎中, 发育的睾丸 开始生产和排出睾酮。
Chapter 35
The Limbs and Skin
See Snapshots
四肢的骨骼、 关节、肌肉、 神经和血管 与成年人的十分相似。
到8周,表皮 变成多层隔膜, 失去大部分透明性。
长出眉毛,嘴周围出现绒毛。
Chapter 36
Summary of the First 8 Weeks
See Snapshots
八周标示胚胎期结束。
在这段时间, 人类胚胎 从一个细胞 生长成将近 10亿个细胞, 它们形成4,000 多种解剖结构。
现在胚胎拥有 成年人的90%以上的结构。
Introduction
0 - 4 Weeks
4 - 6 Weeks
6 - 8 Weeks
8 Weeks
8 - 12 Weeks
3 - 4 Months
4 - 6 Months
6 Months - Birth