The Cell Cycle And Early Embryonic Development

As with all of Dangerfield's plenaries, there aren't any proper notes per se, but here's just a list of stuff he thinks we should read up on. I realised that I haven't any of these for last term because I couldn't be bothered to go to any of his anatomy plenaries at any point before Christmas apart from The Brain For Beginners, which wasn't as useful as everybody thought it would be. Anyhow...

2.3.06

• The start - the ovum and sperm.
• Morula.
• Somites and the early nervous system (18-21 days).
• 3-4 weeks into development - structures appearing.
• 5- and 6-week embryos - more "human."
• 7 and 8 weeks into pregnancy - foetus, not embryo.
• 22- to 25-week foetuses - prematurely-born babies able to survive with intensive care - sufficiently-developed respiratory system.
• Term - note vertex position.
• Anthropometry.
• Ultrasound.
• Cell cycle.
-Cell division.
-Mitosis.
-Meiosis.
-Growth.
-Cancer.
• Maturation of ovum and ovulation.
• Fertilisation.
• Morula.
• Blastocyst.
• Implantation.
• Amniocentesis.
• Chorionic villus sampling.
• Spina bifida.
• Anencephaly.
• Hydrocephalus.
• Postmaturity and eczema.
• Birth trauma: forceps.