Zebrafish - Pharyngula Period: Difference between revisions
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#REDIRECT [[Zebrafish_Development#Pharyngula Period]] | |||
The duration of this period is from 24 to 48 hours | The duration of this period is from 24 to 48 hours | ||
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[http://www.youtube.com/watch?v=5ygcu9BRXI0 Video of a Zebrafish | [http://www.youtube.com/watch?v=5ygcu9BRXI0 Video of a Zebrafish Embryo Heart Beating] | ||
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[ | [[Category:Zebrafish]] |
Latest revision as of 14:41, 12 December 2014
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The duration of this period is from 24 to 48 hours
- Transition from Prim 5 to Long-pec
- The body axis begins to straighten and the head straightens out and lifts dorsally
- Notochord is well developed
- Formation of the Dorsal and Ventral Stripe
- Nervous system is hollow and expanding anteriorly
- The brain has developed into 5 distinct lobes
- Seven pharyngeal arch's develop rapidly during this stage
- Pectoral fins begin to develop
- The Circulatory system develops and the heart beats for the first time
- Blood begins to circulate through a closed circuit of channels
- Tactile sensitivity appears and uncoordinated movements occur
Video of a Zebrafish Embryo Heart Beating
Cleavage Period / Blastula Period / Gastrula Period / Segmentation Period / Pharyngula Period / Hatching Period / Larval Period / 2009 Project 3 - Zebrafish
- Student animal model - zebrafish project contributed page 2009.