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单词 dissepiment
释义

dissepimentn.

/dɪˈsɛpɪmənt/
Etymology: < Latin dissæpīmentum that which separates, a partition, < dissæpīre (-sēpīre ): see dissept v.
Botany and Zoology.
A partition in some part or organ; a septum.
a. Botany. A partition consisting of the coherent sides of adjacent carpels, separating the cells of a syncarpous ovary or fruit. (Partitions otherwise formed are called spurious or false dissepiments.)
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > ovary > dissepiment or partition
interclosea1398
dissepiment1727
phragma1830
1727 N. Bailey Universal Etymol. Eng. Dict. II Dissepiment, a middle Partition, whereby the Cavity of the Fruit is divided into Sorts of Cases or Boxes.
1760 J. Lee Introd. Bot. i. vi. 13 The Partitions, which divide the Capsule into sundry Compartments or Cells, Dissepiments.
1861 R. Bentley Man. Bot. i. iv. 278 In the..Astragalus a spurious dissepiment is also formed.
b. The middle part of a lamella of the pileus in hymenomycetous fungi: = trama n.
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1857 M. J. Berkeley Introd. Cryptogamic Bot. §95. 116 The division of the protoplasm by dissepiments.
c. Zoology. One of the horizontal plates connecting the vertical septa in corals.
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1861 J. R. Greene Man. Animal Kingdom II. 203 Each corallite has its chambers slightly interrupted by a few dissepiments.
d. One of the divisions between the body-segments of an annelid.
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1870 G. Rolleston Forms Animal Life 121 The muscular dissepiments dividing the body into compartments.
This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2021).
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