retractile
Example Sentences
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There is also in some genera a median retractile sensory papilla on the dorsal posterior surface above the rectum, not covered by the cuticle.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" by Various
The arteries are highly elastic, being extensile and retractile both in length and breadth.
From Special Report on Diseases of the Horse by Michener, Charles B.
The creature itself stands upon a retractile foot-stalk, and thrusts out above its battlements a large head, with four leaf-like expansions surrounded by cilia.
From Marvels of Pond-life A Year's Microscopic Recreations by Slack, Henry J.
The single prosthomere carries the retractile tentacles as its “parapodia.”
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various
The phenomenon is a purely physical synthetic reproduction of the phenomenon of coagulation, the cohesion figure being in fact a retractile clot.
From The Mechanism of Life by Leduc, Stéphane
