The Amphibian Carotid Labyrinth

Author(s):  
Tatsumi Kusakabe
Keyword(s):  
Nature ◽  
1963 ◽  
Vol 200 (4905) ◽  
pp. 492-493 ◽  
Author(s):  
D. C. ROGERS

1980 ◽  
Vol 36 (6) ◽  
pp. 651-653 ◽  
Author(s):  
C. B. L. Srivastava ◽  
M. Singh

1966 ◽  
Vol 88 (2) ◽  
pp. 103-116 ◽  
Author(s):  
Kosei Ishii ◽  
Kazumasa Honda ◽  
Kazuko Ishii
Keyword(s):  

1982 ◽  
Vol 60 (5) ◽  
pp. 1153-1160 ◽  
Author(s):  
Dan Toews ◽  
Graham Shelton ◽  
Robert Boutilier

The carotid labyrinth of 13 different amphibian species were examined using a vascular casting technique. Only Typhlonectes compressicauda, an apodan, and Necturus do not have a labyrinth although members of the lungless Plethodontidae have a very reduced labyrinth vascular network. Blood pressures recorded in the internal carotid, external carotid, and common carotid arteries of freely moving Bufo marinus and Rana catesbeiana show that the labyrinth does not affect a pressure change or have a pulse dampening effect on blood flowing to the head region. It is suggested that the labyrinth can stimulate a [Formula: see text] increase in the internal carotid artery in Bufo and Rana although the underlying mechanism remains unknown.


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