vertebrates

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Definition/MeaningWord/Phrase
phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms Acanthocephala , phylum Acanthocephala
any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines acanthocephalan , spiny-headed worm
vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals) allantois
thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) amnion , amnios , amniotic sac
higher vertebrates (reptiles, birds and mammals) possessing an amnion during development Amniota
class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians amphibia , class Amphibia
small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates amphioxus , lancelet
extinct order of jawless vertebrates Anaspida , order Anaspida
pedal extremity of vertebrates other than human beings animal foot , foot
part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands ANS , autonomic nervous system
large roundworms parasitic in intestines of vertebrates Ascaridae , family Ascaridae
underpart of the body of certain vertebrates such as snakes or fish belly
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings bird
family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings bird family
fluid (red in vertebrates) that is pumped by the heart blood
rigid connective tissue that makes up the skeleton of vertebrates bone , os
large family of arboviruses that affect a wide range of hosts (mainly vertebrates and arthropods) Bunyaviridae
any of the major venous channels in primitive adult vertebrates and in embryos of higher vertebrates cardinal vein
tail of fishes and some other aquatic vertebrates caudal fin , tail fin
inner membrane of embryos in higher vertebrates (especially when covering the head at birth) caul , embryonic membrane , veil
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