PSY223Notes4:2:12

PSY223Notes4:2:12 - Somites form Nerves grow out from the...

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PSY223 Spring2012 Development Of The Nervous System The amygdala should be screaming: Guys on high beams. Fallopian tube 20 hours to get fertilized egg moves toward uterus Sperm swims 6 inches in 6 hours Neural tube coxes over After the 3 rd week Yolk sac First blood vessels in primitive placenta Arms and legs buds Head established The cells know where to go due to chemical signals 4 weeks gill arches arm and leg buds .3 inch long heart forms, some circulation backbone Around 30 days Heart pumping blood Yolk sac is a blood cell factory Neural tube is closed Brain and spinal cord begin to develop
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Unformatted text preview: Somites form Nerves grow out from the spinal cord 5 th week Brain forms No bones Fingers begin About inch 6 Th week Beginning of skeleton Vertebral Arteries Yolk Sac Placenta cues corpus luteum, Progesterone. 8 th week Fetus now Fingers, eyes, Brain lobes 3 rd month Placenta makes hormones Fingers and toes Much neural development Abortion is legal, sonogram Just under 2 inches 16 weeks Placenta, co2, o2, waste products 6.4 inches long afterbirth 5 months Fat layer Protects skin Fingernails short Face formed Williams Syndrome Elfin appearance...
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PSY223Notes4:2:12 - Somites form Nerves grow out from the...

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