DIP- 78 
ganglion.]} With the ganglia 
sdtally ged in pairs (zoo/.) 
diplogenesis (dip'léjén’ésis) 7. [ 
e “use an 
disuse a, res in the 
seg tissues (dzo/. 
diploic (dipld‘ik) a. aiploos, 
dou Occupying & he in 
the cancellous tissue of certain 
bones (anaz. 
diplonephridia (dip’ lonéfrid'ta A) 2. plu. 
double; xephros, 
kidney.] Nephridia decived partly 
from a partly from meso- 
derm (zoo. 
(dip’ 
a. *TGk. diploos, aio uble 
around; sfoma, mouth.] lee 
a double siejection or peristome 
0 
loplacula (dip’ ee * a 
diploos, double; plakoei 
flattened blastula consisting “of ok 
layers of cells (dzo/. 
oo (dip’ war x. [Gk. adPloos, 
3 Poros, pore.| Respiratory 
sree in the Chitolies ool.). 
diplosome (dip’lésdm) x. ‘ee diploos, 
double ; soma, body.] A double 
centrosome lying outside the 
nuclear membrane (c¢ 
diplosphene (dip‘lésfén) [Gk 
diploos, double; sphen, weree 
A wedge-shaped process on th 
ral arch o e vertebrae of 
tered fossil Reptiles (pal. 
lic (dip’ gees’ a. 
[Gk. ai diploos, st uble ; sphondylos, 
vertebra two ceatin to 
each myotome, 2 with one centrum 
and a abate, oes intercentrum 
tc 
dipl onous (dip'léstém’éniis) a. 
(Gk. dip tploos, double ; stemon, w eke, 
With two whorls stamens in 
regular — with the perish 
leaves 
ap 16té’jia) 7. 
ouble ; “egos, roof.] A 
inferior fruit with dry sndaliocaas 
hence (604). 
dipnoan 
(dip’‘noan) a ([Gk. dis, 
DIS- 
twice ; pnein, to whee Breath- 
ing by gills and lungs (zo 
iprotodont (diprdé'té 
rest of the incisors and i 
being seroat or absent (zoo/.). 
satan? aiptérosesiiim 
k, “us twice ; pieron, wing ; 
peli, gall nut.] A ‘gall peated by 
any insect (dzo. 
dipterous (dip’ tériis) a [Gk. dis, 
twice; Pferon, wing. With two 
wings or wing- “like expansions (do4,, 
z00l.). 
directive — Atos pared (cyz.). 
directive Zoan- 
tharia, the aoniad and yettcal pairs 
of mesenteries (zoo/. 
ctive sphere,—attraction sphere 
mals (zoo/.); a 
of the thalamus (404); t 
a which projects into the 
cavity of the egg f pies (anai.). 
dise-flor r florets borne 
on the abbreviated and reduced 
peduncle in many inflorescences 
ot. 
discal (dis'k4l) a [Gk. toh disc.] 
ert. an y disc-like struc 
[Gk. diskov, disc. ] 
A large cell at the base of the win 
of lepidopterous insects completely 
enclose wing-nervures ; also 
in some Diptera (zo ol.). 
disciflorous (dis’kifld’riis, dis’ ifld’riis) 
@. ([Gk. diskos, disc; L. faos, 
flower. } i owers in which 
the receptacle is large and disc- 
like (d04.). 
sree 7 ie! kéblas'tik) a, [Gk, 
diskos c; blastos, bud.| Pert. 
manctlante © eggs in which the area 
of segmentation is disc-shaped 
a 
ool.). 
discoblastula (dis’kéblas'tiila) 7. [Gk. 
