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Document Details
Document Type
:
Article In Journal
Document Title
:
Effect of Temperature on the Heart and Ventilation Rates in the Agamid Lizard Uromastyx microlipes (the Dhubb) in the Central Region of Saudi Arabia
تأثير الحرارة على معدل نبضات القلب ومعدل التنفسي في سحلية الضب Uromastyx microlipes في المنطقة الوسطى للمملكة العربية السعودية
Subject
:
Biological Sciences
Document Language
:
English
Abstract
:
The effect of body warming and cooling on the heart and breathing rates has been studied in the agamid lizard Uromastyx mi- crolipes. Electrocardiograph (ECG) of Uromastyx microlipes consists of P, QRS, and T components similar to those in mammals. Heart rate increases with body temperature. During warming the heart rate ranged from 7-134 beat/min, while during cooling ranged from 2-73 beat/min. The mean of heart rate during warming and cooling was not significantly different except at body temperatures of 20?C and 35?C. In two lizards heart rate was higher during warming than cooling for all temperatures. Both breathing types (thoracic and buccal) increased in frequency with body temperature. The range of thoracic breathing rates during both warming and cooling was 0-20 breath/min. Buccal breathing rate was 0-24 breath/min during warming, and 0-26 breath/ min during cooling.
ISSN
:
1012-1319
Journal Name
:
Science Journal
Volume
:
17
Issue Number
:
1
Publishing Year
:
1425 AH
2005 AD
Number Of Pages
:
12
Article Type
:
Article
Added Date
:
Sunday, October 11, 2009
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
محمد سعيد دماس الغامدي
MOHAMMED S. A. D. AL-GHAMDI
Researcher
Files
File Name
Type
Description
22479.pdf
pdf
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