zonaryadj.

Brit.

/ˈzəʊn(ə)ri/, U.S.

/ˈzoʊnəri/

Etymology: < zone n. + -ary suffix¹.

1. Having the form of a zone or girdle: applied to the placenta in certain mammals, as the Carnivora, forming a broad girdle round the chorion.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [adjective] > placenta

placentary1734

placental1785

diffuse1856

aplacental1859

zonary1881

1881 St. G. Mivart Cat 472 Though the Rodents have a deciduate placenta, it is never zonary.

2. Occurring in a zone or zones, i.e. within definite limits of depth (see zone n. 7).

This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).

单词	zonary
释义	zonaryadj. Brit. /ˈzəʊn(ə)ri/, U.S. /ˈzoʊnəri/ Etymology: < zone n. + -ary suffix¹. 1. Having the form of a zone or girdle: applied to the placenta in certain mammals, as the Carnivora, forming a broad girdle round the chorion. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [adjective] > placenta placentary1734 placental1785 diffuse1856 aplacental1859 zonary1881 1881 St. G. Mivart Cat 472 Though the Rodents have a deciduate placenta, it is never zonary. 2. Occurring in a zone or zones, i.e. within definite limits of depth (see zone n. 7). This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022). < adj.1881
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