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Keywords: Tracheae
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Journal Articles
J Exp Biol (2018) 221 (12): jeb176024.
Published: 21 June 2018
... in the anterior body with emphasis on the arrangement of the pathways for airflow. The fly's head is preferentially supplied by cephalic tracheae originating from the ventral orifice of the mesothoracic spiracle (Sp1). The respiratory airflow during flight is a by-product of cyclic deformations of the thoracic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (2): 208–219.
Published: 15 January 2017
... and keeping the inner openings narrow. Auto-ventilation Insect respiration Tracheal pressure Tracheae Spiracles Haemolymph Opener muscle Oxygen supply CO 2 release Respiratory gas exchange in insects depends on a system of branched tracheal tubes with segmental openings called spiracles...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (14): 2201–2210.
Published: 1 July 2015
... to the accumulation of CO 2 . Periodic heartbeat reversals continue during flight, with a higher period frequency than at rest, supporting the transport of CO 2 via the haemolymph towards the metathoracic tracheae and abdominal air sacs. Diffusion alone in small insects was regarded as sufficient for respiratory...
Journal Articles
J Exp Biol (2014) 217 (9): 1543–1554.
Published: 1 May 2014
.... In the blowfly, as in other insects with periodic heartbeat reversal, the haemolymph is periodically shifted between the anterior body and abdomen, exerting alternating pressure changes on the compliant tracheae in the thorax and in the abdomen. Simultaneous pressure and O 2 optode measurements show that, during...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (24): 4703–4711.
Published: 15 December 2013
.... ( 1958b ). The formation of tracheae and tracheoles in Rhodnius prolixus . Q. J. Microsc. Sci.   99 , 29 - 46 . Locke   M. ( 1958c ). The structure of insect tracheae . Q. J. Microsc. Sci.   98 , 487 - 492 . Nijhout   H.F. , Davidowitz   G. , Roff   D.A. . ( 2006...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (23): 4473–4482.
Published: 1 December 2013
... No competing interests declared. 21 3 2013 23 8 2013 © 2013. Published by The Company of Biologists Ltd 2013 insect ventilation respiration spiracle tracheae The insect respiratory system consists of a network of air-filled tracheal vessels that extend from the external...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (12): 2293–2301.
Published: 15 June 2013
... sexta caterpillars cyclically contract their bodies in response to hypoxia, resulting in significant compressions of the tracheal system. Compression of tracheae induced by abdominal pumping drives external gas exchange, as evidenced by the high correlation between CO 2 emission peaks and body movements...
Includes: Supplementary data
Journal Articles
J Exp Biol (2004) 207 (20): 3559–3567.
Published: 15 September 2004
... how atmospheric oxygen level affects the dimensions of the main dorsal tracheae (DT) and masses of larval Drosophila melanogaster (Meigen) reared for up to six generations in 10%, 21% or 40% O 2 at 25°C. Wandering-stage third-instar larvae were weighed every other generation, and the dimensions...
Journal Articles
J Exp Biol (1989) 147 (1): 217–235.
Published: 1 November 1989
...CATHERINE LOUDON Larval Tenebrio molitor L. (Insecta) were reared in three different levels of oxygen: 21 % (normal), 15 % and 10.5 %, all at 101.3 kPa (=1 atm) total pressure (remainder nitrogen). Some larvae were transferred from one oxygen level to another during development. The main tracheae...