Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Embryonal feather growth in the chicken.

W Meyer1, G Baumgärtner

  • 1Anatomisches Institut, Tierärztliche Hochschule Hannover, Germany.

Journal of Anatomy
|February 24, 1999
PubMed
Summary

Prenatal chicken feather development shows a peak growth phase around Hamburger-Hamilton (HH) stage 40-41. This rapid feather growth is linked to follicle development and alpha-keratin presence.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Zooplankton communities and their relationship with water quality in eight reservoirs from the midwestern and southeastern regions of Brazil.

Brazilian journal of biology = Revista brasleira de biologia·2020
Same author

Spatial and temporal variations in fish assemblage: testing the zonation concept in small reservoirs.

Brazilian journal of biology = Revista brasleira de biologia·2017
Same author

[DSM-5--what has changed in therapy for and research on substance-related and addictive disorders?].

Fortschritte der Neurologie-Psychiatrie·2013
Same author

In vitro antitumor activity of MIC2 protein-doxorubicin conjugates.

International journal of oncology·2011
Same author

Coincidence of a ductal pancreatic cyst and a gastric duplication cyst: a case report.

European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie·2008
Same author

Host-parasite relationships of monogeneans in gills of Astyanax altiparanae and Rhamdia quelen of the São Francisco Verdadeiro River, Brazil.

Parasite (Paris, France)·2007

Area of Science:

  • Developmental Biology
  • Avian Biology
  • Histology

Background:

  • Feather development is crucial for avian physiology and thermoregulation.
  • Understanding prenatal feather growth provides insights into developmental processes.

Purpose of the Study:

  • To investigate prenatal feather growth dynamics in chickens across different body regions.
  • To identify key developmental stages and cellular events associated with rapid feather growth.

Main Methods:

  • Direct measurements of feather growth.
  • Histological and immunohistochemical analyses.
  • Scanning electron microscopy.
  • Study conducted across Hamburger-Hamilton (HH) stages 27-45 in 7 body regions.

Main Results:

  • A distinct, intensive growth phase identified around HH stage 40-41.
  • Feather follicle insertion precedes this peak growth phase.
  • Alpha-keratins were observed in barbule cells during this intensive growth period.
  • Abdominal feather follicles exhibited slower growth rates compared to wing feather filaments.

Conclusions:

  • Prenatal feather development in chickens follows a distinct temporal pattern with a critical growth spurt.
  • Specific molecular markers like alpha-keratins are associated with rapid feather formation.
  • Regional variations in growth rates highlight the complexity of avian embryonic development.

Related Experiment Videos