DEC. 



70 



DEI, 



decempartite (dgs'e'mpar'tit) a. [L. 

 decem, ten ; partiri, to divide.] Ten- 

 lobed ; divided into ten lobes (dot.). 



decidua (desid'ua) n. [L. de, away ; 

 caderc, to fall.] The mucous mem- 

 brane lining the uterus, that is cast 

 off after parturition (anat.). 



decidual (desid'ual) a. [L. de, away ; 

 cadere, to fall.] Pert, decidua 

 (anat.). 



deciduate (desld'uat) a. [L. de, away ; 

 cadere, to fall.] Characterized by 

 having a decidua ; partly formed 

 by the decidua (zoo/.). 



deciduous (desid'uus) a. [L. de, away ; 

 cadere, to fall.] Falling at the end 

 of the period of growth (dot.} ; falling 

 at maturity (zoo/.). 



declinate (dek'ltnat) a. [L. de, away ; 

 clinare, to bend.] Bending aside 

 in a curve, as the anther filament 

 in the horse-chestnut (dot.). 



decollated (dekol'ated) a. [L. de, 

 away ; collum, neck.] With the 

 apex of the spire wanting (zoo/.). 



decomposed (de'kompozd') a. [L. de, 

 away ; cum, with ; ponere, to place.] 

 Not in contact ; not adhering, said 

 of the barbs of a feather when they 

 are separate (zoo!.). 



decompound (de'kompound') a. [L. 

 de, away ; cum, with ; ponere, to 

 place.] When the monopodial 

 branching is very complete, and 

 the ultimate wings are little de- 

 veloped, the leaf is called decom- 

 pound (dot.}. 



decumbent (dekum'bent) a. [L. de- 

 cumbere, to lie down.] Appl. stems 

 which trail on the ground, but rise 

 at the apex (A?/.).. 



decurrent (dekuYSnt) a. [L. de, 

 away ; currere, to run.] Having the 

 leaf base prolonged down the stem 

 as a winged expansion or rib (hot.}. 



decussate (dgk'usat, dekus'at) a. [L. 

 decussare, to cross like an X.] 

 Having paired leaves, succeeding 

 pairs crossing at right angles (dot.}. 



decussation (de'kusa'shun) n. [L. 

 decussare, to cross like an X.] The 

 condition when opposite leaves are 

 arranged so that each pair crosses the 

 previous at right angles (dot.} ; the 

 crossing of nerves or bands of 

 nerve-fibres when there is an inter- 

 change of fibres (anat.). 



dedupllcation (dedu'plika'shun) . 

 [L. de, intensive ; duplicare, to 

 double.] The augmentation of 

 parts of a flower by splitting during 

 development (dot.}. 



defaecation (de'feka'shun) n. [L. 

 defaecatio, voiding of excrement.] 

 The expulsion of faeces (phys.}. 



defensive (defen'siv) a. [L. defendere, 

 to defend.] Protective ; appl. pro- 

 teid substances which destroy the 

 toxic substances of bacteria (phys.) ; 

 appl. numerous organs or parts of 

 organs in various animals (zoo/.). 



deferred (defgrd') a. [L. deferre, to 

 bring down.] Appl. shoots that are 

 given out from dormant buds when 

 stem or branch has been destroyed 

 (dot.). 



definite (def'Tnlt) a. [L. definire, to 

 limit.] Fixed, constant ; appl. 

 inflorescences with primary axis 

 terminating early in a flower ; appl. 

 stamens limited to twenty in number 

 (dot.}. 



definitive (defin'itiv) a. [L. definire, 

 to limit.] Complete, fully developed 

 (diol.}. 



defoliate (defo'liat) a. [L. defoliare, 

 to strip of leaves.] Bared at the 

 annual fall (dot.}. 



degeneration (dejgnera'shun) n. [L. 

 degener, base.] Return to a simpler 

 condition ; retrogressive evolution 

 (diol.}. 



deglutition (deglootish'un) . [L. 

 deglutire, to swallow down.] The 

 process of swallowing (phys.}. 



dehiscence (dehls'gns) n. [L. de, 

 away ; hiscere, to gape.] The 

 opening of an organ or structure 

 along certain lines or in a definite 

 direction (dot.}. 



Deiter's cells (di'tgrz), supporting 

 cells between the rows of outer 

 hair-cells in the organ of Corti 

 (anat.). 



delamination (delam'inashun) n. [L. 

 de, down ; lamina, a layer.] The 

 dividing off of cells to form new 

 layers (emd.). 



deliquescent (del'ikwes'ent) a. [L. 

 deliquescere, to become fluid.] 

 Having the lateral buds the more 

 vigorously developed so that the 

 main stem seems to divide into a 

 number of irregular branches (dot.). 



