adrectaladj.

Brit.

/adˈrɛktl/, U.S.

/ædˈrɛkt(ə)l/

Origin: Formed within English, by derivation. Etymons: ad- prefix, rectal adj.

Etymology: < ad- prefix + rectal adj.

Zoology.

Situated at or near the rectum; esp. (formerly) designating the glands of certain gastropod molluscs from which Tyrian purple was obtained (now usually called hypobranchial).

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [adjective] > of parts of molluscs > situated near rectum (of glands)

adrectal1883

1883 Encycl. Brit. XVI. 648/2 The presence of glandular plication of the surface of the mantle-flap..and an adrectal gland (purple-gland).

1910 A. Willey Convergence in Evol. x. 160 I have had the opportunity of comparing it in section with the paired, whitish, adrectal, semi-lunar organs of Area rhombea.

1973 Amer. Anthropologist 75 935 The most valuable dye for cloth..was ‘Tyrian purple’, obtained from the adrectal gland of a tiny Mediterranean shellfish or gastropod.

1992 P. D. Srivastava Probl. Land Snail Pests in Agric. v. 98 In A[chatina] fulica, the ureter has two limbs, the adrenal and the adrectal.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	adrectal
释义	adrectaladj. Brit. /adˈrɛktl/, U.S. /ædˈrɛkt(ə)l/ Origin: Formed within English, by derivation. Etymons: ad- prefix, rectal adj. Etymology: < ad- prefix + rectal adj. Zoology. Situated at or near the rectum; esp. (formerly) designating the glands of certain gastropod molluscs from which Tyrian purple was obtained (now usually called hypobranchial). ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [adjective] > of parts of molluscs > situated near rectum (of glands) adrectal1883 1883 Encycl. Brit. XVI. 648/2 The presence of glandular plication of the surface of the mantle-flap..and an adrectal gland (purple-gland). 1910 A. Willey Convergence in Evol. x. 160 I have had the opportunity of comparing it in section with the paired, whitish, adrectal, semi-lunar organs of Area rhombea. 1973 Amer. Anthropologist 75 935 The most valuable dye for cloth..was ‘Tyrian purple’, obtained from the adrectal gland of a tiny Mediterranean shellfish or gastropod. 1992 P. D. Srivastava Probl. Land Snail Pests in Agric. v. 98 In A[chatina] fulica, the ureter has two limbs, the adrenal and the adrectal. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1883
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