accessory breathing

noun

accessory breathing

noun

1

A manner of breathing in an organism that supplements or temporarily replaces the principal manner of breathing.

accessory breathing muscles, accessory breathing organ
Figure 15 summarizes his work on the factors controlling breathing in the yarrow, Erythrinus, a teleost which uses its air bladder for accessory breathing.1970, William Stewart Hoar with David J. Randall, The nervous system, circulation, and respiration, page 402:

2 more examples

Considering the degree of muscular tension that accessory breathing entails, the net payoff in oxygenation makes it a poor energetic investment.2007, Leslie Kaminoff, Yoga Anatomy, page 13:
Reflexively mouth breathing and accessory breathing are associated2008, Leon Chaitow with Joseph Pizzorno, Jr., Naturopathic Physical Medicine, page 387:

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