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Keywords: Tracheal pressure
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Journal Articles

Structure of the thoracic spiracular valves and their contribution to unidirectional gas exchange in flying blowflies Calliphora vicina

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Lutz T. Wasserthal, Anja S. Fröhlich
Journal: Journal of Experimental Biology
J Exp Biol (2017) 220 (2): 208–219.
https://doi.org/10.1242/jeb.149013
Published: 15 January 2017
...) opens passively during upstroke of the wings and closes by the suction of the sub-atmospheric tracheal pressure during the downstroke, which supports a unidirectional respiratory airflow. The action of the interior spiracular valve lids was recorded by photocell sensors oriented above the enlarged...
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Includes: Supplementary data
Journal Articles

Flight-motor-driven respiratory airflow increases tracheal oxygen to nearly atmospheric level in blowflies (Calliphora vicina)

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Lutz T. Wasserthal
Journal: Journal of Experimental Biology
J Exp Biol (2015) 218 (14): 2201–2210.
https://doi.org/10.1242/jeb.121061
Published: 1 July 2015
... autoventilatory airflow. Autoventilation Insect respiration Tracheal pressure Air sac Tracheae O 2 supply Spiracles Haemolymph Gas exchange CO 2 release H 2 O emission Flies are among the best fliers in the animal kingdom. They have indirect muscle fibres attached to the inner surface...
View articletitled, Flight-motor-driven respiratory airflow increases tracheal oxygen to nearly atmospheric level in blowflies (Calliphora vicina)
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Journal Articles

Periodic heartbeat reversals cause cardiogenic inspiration and expiration with coupled spiracle leakage in resting blowflies, Calliphora vicina

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Lutz T. Wasserthal
Journal: Journal of Experimental Biology
J Exp Biol (2014) 217 (9): 1543–1554.
https://doi.org/10.1242/jeb.097238
Published: 1 May 2014
... interests. 16 9 2013 27 12 2013 © 2014. Published by The Company of Biologists Ltd 2014 Insect respiration Circulation Tracheal pressure Tracheae Spiracles Oxygen Haemolymph Cyclic gas exchange Suction ventilation CO 2 release Macro-burst Flutter phase Water retention...
View articletitled, Periodic heartbeat reversals cause cardiogenic inspiration and expiration with coupled spiracle leakage in resting blowflies, Calliphora vicina
Open the PDF for Periodic heartbeat reversals cause cardiogenic inspiration and expiration with coupled spiracle leakage in resting blowflies, Calliphora vicina in another window
Includes: Supplementary data