Zebrafish - Pharyngula Period: Difference between revisions

From Embryology
No edit summary
 
(5 intermediate revisions by 2 users not shown)
Line 1: Line 1:
'''Pharyngula Period'''
#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  
Line 27: Line 27:




[http://www.youtube.com/watch?v=5ygcu9BRXI0 Video of a Zebrafish embryo heart beating]
[http://www.youtube.com/watch?v=5ygcu9BRXI0 Video of a Zebrafish Embryo Heart Beating]




[http://php.med.unsw.edu.au/embryology/index.php?title=Zygote_Period Zygote Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Cleavage_Period Cleavage Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Blastula_Period Blastula Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Gastrula_Period Gastrula Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Segmentation_Period Segmentation Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Hatching_Period Hatching Period] / [http://php.med.unsw.edu.au/embryology/index.php?title=Larvae_Period Larvae Period]] / [http://php.med.unsw.edu.au/embryology/index.php?title=2009_Group_Project_3#Timeline_and_Stages_of_Embryonic_Development Home Page ]
{{Template:2009Group3}}
 
[[Category:Zebrafish]]

Latest revision as of 14:41, 12 December 2014

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.