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University of Virginia, Human Biology Sect3 Development http://www.med.unc.edu/embryo_images/unit-welcome/welcome_htms/contents.htm http://www.ucalgary.ca/UofC/eduweb/virtualembryo/db_tutorial.html http://www.uoguelph.ca/zoology/devobio/dbindex.htm

embryology, developmental biology

embryo

development

145

http://wsrv.clas.virginia.edu/~rjh9u/sectiiip.htmlhttp://www.med.unc.edu/embryo_images/unit-welcome/welcome_htms/contents.htmhttp://www.ucalgary.ca/UofC/eduweb/virtualembryo/db_tutorial.htmlhttp://www.uoguelph.ca/zoology/devobio/dbindex.htm

(reproduction) asexual reproductionsexual reproduction budding fragmentation parthenogenesis

sexual reproductiongamate

146

ovumspermatozoon

fertilizationinternal fertilizationexternal fertilization

sex

147

testispl. testesvas deferensovaryoviductuterus

spermatogenesis http://www.uoguelph.ca/zoology/devobio/210labs/testes1.html

148

http://www.uoguelph.ca/zoology/devobio/210labs/testes1.html

seminiferous tubuleepididymis

Developmental Biology, 6th ed. Scott Gilbert Sinauer Associates, Inc

spermatogonium

primary spermatocyte

149

spermatid

acrosomesperm

oogenesis http://www.uoguelph.ca/zoology/devobio/210labs/ovary4.html

oogonia

150

http://www.uoguelph.ca/zoology/devobio/210labs/ovary4.html

50 16 400 ovarian folliclesLH FSH LH LH ovulation

151

http://www.uoguelph.ca/zoology/devobio/210labs/ovary4.html

fertilization

developmentcleavage

152

11 Developmental Biology on Line (University of Guelph)

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153

http://www.tmd.ac.jp/artsci/biol/textlifeppt/lifescic2.htmhttp://www.uoguelph.ca/zoology/devobio/dbindex.htm

rejection of polyspermy

70mV 20mV

154

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155

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16

156

157

primary mesenchyme

secondary mesenchymeectodermendodermmesoderm

http://worms.zoology.wisc.edu/urchins/suwelcome.html

http://worms.zoology.wisc.edu/frogs/mainmenu.html http://anatomy.med.unsw.edu.au/cbl/embryo/Embryo.htm#start

158

http://worms.zoology.wisc.edu/urchins/suwelcome.htmlhttp://worms.zoology.wisc.edu/frogs/mainmenu.htmlhttp://anatomy.med.unsw.edu.au/cbl/embryo/Embryo.htm

159

organogenesis

ovarytestes gonad

160

germ cell linesomatic cell line

80 256 130 512 300 pole cell

14

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161

http://www.jtnet.ad.jp/WWW/JT/Culture/BRH/BRHTour/1F/book/97/16/library/scientist-1.html

primordial germ cell

Developmental Biology, 6th ed. Scott Gilbert Sinauer Associates, Inc

genital ridge7.5

162

http://www.jtnet.ad.jp/WWW/JT/Culture/BRH/BRHTour/1F/book/97/16/library/scientist-1.htmlhttp://www.jtnet.ad.jp/WWW/JT/Culture/BRH/BRHTour/1F/book/97/16/library/scientist-1.html

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163

11 10 10012 2,500 5,000

rete testisseminiferous tubule

164

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165

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560 AME

166

XY

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167

Developmental Biology, 6th ed. Scott Gilbert Sinauer Associates, Inc XY Srysex-determining region of the Y 14kb XX

168

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