Retractile sentence example

retractile
  • Often not retractile.

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  • The single prosthomere carries the retractile tentacles as its "parapodia."

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  • In one genus (Polypocephalus) the place of a rostellum is taken by a crown of retractile tentacles.

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  • Another form, Rhopalophorus, has two cephalic tentacles that are retractile and covered with hooks.

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  • They may be defined as aquatic animals, forming colonies by budding; with ciliated retractile tentacles and a U-shaped alimentary canal.

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  • Tentacles retractile into an introvert ("tentacle-sheath").

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  • Bears are five-toed, and provided with formidable claws, which are not retractile, and thus better fitted for digging and climbing than for tearing.

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  • The tongue is generally beset with more or less scaly or velvety papillae and has always a well-marked posterior margin, while the anterior portion may or may not be more or less retractile into the posterior part.

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  • Aeluronyx of Madagascar and Seychelles has cat-like retractile claws.

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  • The antennae are short tubular extensions of the body wall, sometimes retractile with a depressed tip from which protrudes a tuft of fine stiff bristles.

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  • Ploimoidaceae; subconical; corona bilobed; retractile foot absent or ciliated; motile appendages present in two families.

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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.

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  • The claws are large, strongly compressed, sharp, and exhibit the retractile condition in the highest degree, being drawn backwards and upwards into a sheath by the action of an elastic ligament so long as the foot is in a state of repose, but exerted by muscular action when the animal strikes its prey.

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  • The anterior one-quarter or one-third of the body is capable of being retracted into the remainder, as the tip of a glove-finger may be pushed into the rest, and this retractile part is termed the introvert.

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  • Its limbs are long, its hair rough, and its claws blunt and only partially retractile.

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  • The forward-directed exopods either act as valves or form a tube (rarely two tubes), protensile and retractile, for regulating egress of water from the branchial regions.

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  • The mouth parts consist of two small retractile mandibles, of a pair of short palpi and of the toothed probe above mentioned.

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  • The part of the foot which carries the claws is especially retractile, and is generally found more or less telescoped into the proximal part.

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  • All others had easily retractile foreskins and their symptoms resolved.

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  • If there is no evidence of the foreskin becoming retractile, the child should be referred for an outpatient opinion.

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  • They are skilled hunters and their teeth and retractile claws are well designed for capturing and killing their prey.

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  • I was diagnosed a few years ago with a condition called retractile testicles.

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  • Like all the other octopods it has eight arms but also has a pair of retractile tentacles for catching its prey.

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