单词 | mantle flap |
释义 | > as lemmasmantle flap mantle flap n. ΚΠ 1883 Encycl. Brit. XVI. 648/2 The presence of glandular plication of the surface of the mantle-flap..and an adrectal gland (purple-gland). a1933 J. A. Thomson Biol. for Everyman (1934) I. xv. 385 The members of this class [sc. bivalves] are bilaterally symmetrical... On each side, right and left, there is a mantle-flap and a shell-valve. 1973 P. Tasch Paleobiol. Invertebr. vii. 263/2 The outer surface of the mantle flaps (lobes) became white and smooth, indicating initial shell formation (protegulum). < as lemmas |
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