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Spermatozoan structure. Head. Nucleus. Midpiece. Tail. Sperm Motility. http://www.luc.edu/faculty/wwasser/dev/spermanm.htm. Mammalian Egg Structure Green=Egg , Blue=Zona Pellucida , Red=Corona Radiata. Mouse and Sea Urchin Egg.

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spermatozoan structure
Spermatozoan structure

Head

Nucleus

Midpiece

Tail

sperm motility
Sperm Motility

http://www.luc.edu/faculty/wwasser/dev/spermanm.htm

slide5
Fertilization—Acrosome Lysishttp://www.luc.edu/faculty/wwasser/dev/acrosome.htmhttp://www.luc.edu/faculty/wwasser/dev/acrosanm.htm
cortical reaction http www luc edu faculty wwasser dev cortanm htm
Cortical Reactionhttp://www.luc.edu/faculty/wwasser/dev/cortanm.htm
slide7

Fertilization Membrane in Sea Urchinhttp://www.luc.edu/faculty/wwasser/dev/fertmem.movhttp://www.bio.davidson.edu/misc/movies/PHASECAL.MOV

cleavage
Cleavage

http://www.luc.edu/depts/biology/dev/1-4cell.htm

http://www.luc.edu/faculty/wwasser/dev/zebra.mov

slide9
Radial vs Spiral Cleavagehttp://worms.zoology.wisc.edu/urchins/SUcleavage_radial.htmlhttp://www.luc.edu/faculty/wwasser/dev/rad_spir.mov
morula
Morula

blastomeres

gastrula
Gastrula

mesoderm

blastopore

coelom development http www utm edu rirwin enteroschizo htm
Coelom developmenthttp://www.utm.edu/~rirwin/enteroschizo.htm
slide15
18hours of Zebrafish Development in 48 secondshttp://scienceblogs.com/pharyngula/2006/09/a_zebrafish_timelapse_recordin.php
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