tadpolelike
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madtom — /mad tom /, n. any of several tadpolelike, freshwater catfishes of the genus Noturus, of the central and eastern U.S., having a poisonous pectoral spine: some are threatened or endangered. [1895 1900, Amer.; MAD + TOM] * * * ▪ catfish any… … Universalium
sea squirt — any tunicate, esp. a sessile ascidian, so called from its habit of contracting its body and ejecting streams of water when disturbed. [1840 50] * * * Any tunicate in the class Ascidiacea; found in seas worldwide. Resembling potatoes more than… … Universalium
endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries … Universalium
larvacean — ▪ tunicate also called appendicularian any member of a group of transparent tunicates belonging to the class Appendicularia (subphylum Tunicata, phylum Chordata) that live in the open sea. The larvacean s tadpolelike body is made up of a… … Universalium
