Understanding the Development of the Respiratory and Cardiovascular Systems Using Avian Models

Description:

This University Scholars Day keynote address discusses the development of the respiratory and cardiovascular systems using avian models.

Creator(s): Dzialowski, Edward M. (Edward Michael)
Creation Date: March 29, 2007
Partner(s):
UNT Honors College
Collection(s):
UNT Scholarly Works
Usage:
Total Uses: 96
Past 30 days: 3
Yesterday: 0
Creator (Author):
Dzialowski, Edward M. (Edward Michael)

University of North Texas

Publisher Info:
Place of Publication: [Denton, Texas]
Date(s):
  • Creation: March 29, 2007
Description:

This University Scholars Day keynote address discusses the development of the respiratory and cardiovascular systems using avian models.

Degree:
Department: Biological Sciences
Note:

Abstract: The avian embryo has a long history of use as a model system for the study of morphological and physiological development. Properties of avian eggs that make them good developmental models include the large range of functional maturity at hatching and the ability to easily manipulate the environment in which the egg is incubating. The chicken embryo develops over a 20 day incubation period. During the first 19 days of incubation, the embryo relies on the chorioallantoic membrane for gas exchange. The embryo begins the hatching process on day 19 which involves internal pipping, external pipping, and finally hatching. The author's lab uses the chicken embryo to study the development of the cardiovascular system, specifically the ductus arteriosi. The ductus arteriosi are a pair of blood vessels in the avian embryo which allow blood to bypass the non-ventilated lungs. Upon initiation of lung ventilation these blood vessels must close. Closure appears to be stimulated by increased oxygen in the blood due to increased lung ventilation during external pipping. The properties of the avian model system will allow the author to explore questions regarding the effect of environmental stress during development on the ductus arteriosus that cannot be addressed with typical mammalian models.

Physical Description:

16 p.

Language(s):
Subject(s):
Keyword(s): avian models | embryos | cardiovascular systems
Source: The Eagle Feather, 2007, Denton: UNT Honors College
Contributor(s):
Series Title: University Scholars Day
Added Title: Keynote Address 2007
Partner:
UNT Honors College
Collection:
UNT Scholarly Works
Identifier:
  • ARK: ark:/67531/metadc96825
Resource Type: Text
Format: Text
Rights:
Access: Public
Citation:
Publication Title: The Eagle Feather
Issue: 2007
Volume: 4