Zebrafish - Pharyngula Period: Difference between revisions
From Embryology
No edit summary |
m (Redirected page to Zebrafish Development#Pharyngula Period) |
||
(7 intermediate revisions by 2 users not shown) | |||
Line 1: | Line 1: | ||
#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 8: | Line 8: | ||
* Notochord is well developed | * Notochord is well developed | ||
* Formation of the Dorsal and Ventral Stripe | |||
* Nervous system is hollow and expanding anteriorly | * Nervous system is hollow and expanding anteriorly | ||
Line 15: | Line 17: | ||
* Seven pharyngeal arch's develop rapidly during this stage | * 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 | * The Circulatory system develops and the heart beats for the first time | ||
Line 21: | Line 23: | ||
* Blood begins to circulate through a closed circuit of channels | * Blood begins to circulate through a closed circuit of channels | ||
* Tactile sensitivity appears and uncoordinated movements | * Tactile sensitivity appears and uncoordinated movements occur | ||
[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] | ||
{{Template:2009Group3}} | |||
[ | [[Category:Zebrafish]] |
Latest revision as of 14:41, 12 December 2014
Redirect to:
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.