| 释义 |
dissepiment Bot. and Zool.|dɪˈsɛpɪmənt|
[a. L. dissæpīmentum that which separates, a partition, f. dissæpīre (-sēpīre): see dissept.]
A partition in some part or organ; a septum.
spec. a. Bot. 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.) b. The middle part of a lamella of the pileus in hymenomycetous fungi: = trama. c. Zool. One of the horizontal plates connecting the vertical septa in corals. d. One of the divisions between the body-segments of an annelid.
1727Bailey vol. II, Dissepiment, a middle Partition, whereby the Cavity of the Fruit is divided into Sorts of Cases or Boxes. 1760J. Lee Introd. Bot. i. vi. (1776) 14 The partitions, which divide the capsule into sundry compartments, or cells, dissepiments. 1857Berkeley Cryptog. Bot. §95. 116 The division of the protoplasm by dissepiments. 1861J. R. Greene Man. Anim. Kingd., Cœlent. 203 Each corallite has its chambers slightly interrupted by a few dissepiments. 1870Rolleston Anim. Life 121 The muscular dissepiments dividing the body into compartments. 1870Bentley Bot. 271 In the ovary of the Astragalus a spurious dissepiment is also formed. |