MES- 
mesometrium (més’émé'triiim) ~z. 
[Gk. —_ middle ; — wulen, 
The m er of uterus and c 
necting aes mat.) 
mesomitosis (mes! dmitd ’sis) 7. 
mesos, middle ; 
brane, without co-operation of noe 
plasmic elements ; cf metamit 
a seat (més' peo i a. [Gk. 
mesos, mid MYS, muscle. ] 
birds with aniline of s syrinx 
attached to middle of bronchial 
Gk. mesos, 
middle. — central plane, or 
region of it (zo al.). 
mesonephrie (mésénéf'rik) @. [Gk. 
ieaie middle ; xephros, kidney.] 
Pert. mesonephros, or ee kidney; 
_ — tubules (zoo/. 
mesonephridi um (més’énéfrid’iim) n. 
[Gk. ae middle; xephros, kidney.] 
ce nephridiu um or excreto gan 
certain pt le Hal ave 
Fons Dosage 
vertebrate embryos 
es t a ctional kidney 
in pein re raniata, it atrophies 
in the higher tings (zool.); the 
Boh Aaomnai body (ana 
otum més’énd stim) 2. [Gk 
pea, middle ; mofon, the back.] 
The dorsal part of an insect meso- 
zool,). 
mesoparapteron (més’6parap’ térdn) #. 
eso) a Nn 
mesos, middle; petal 
The labellum or lip of an arehid 
bot. 
: eo aN (més Ofrag’ma) #. [Gk. 
mesos, middle ; phragma, a fence.] 
A chitinous piece descending into 
interior of insect 7 with post- 
scutellum for base (zo 
phryon (m sotson m.  [Gk. 
age —— ; ophrys, an eyebrow. ] 
vated median head- -region 
on Trilobites ( pal. de 
esophyll (més 6fil) 7. [Gk. mesos, 
185 
MES- 
middle ; phyllon, leaf.] As inter- 
nal parenchyma of a leaf (4o04,). 
mesophyte (més‘éfit) 7. ic — 
middle ; phyton, plant.| A plan 
thriving in temperate climates with 
to) unt of moisture (4072.) 
mesoplankton (més‘épling’ktén) 7 
[Gk. mesos, middle; plangktos, 
wandering.] Floating animal and 
downwar Ss. 
mesoplast (mé és'dplast) #. [Gk. mesos, 
middle i ireniae, moulded.] A cell 
nucleus (eyé. 
meso plastron (més’ 6plas’ tide [Gk. 
mesos, middle ; F. Plast, nm, breast- 
te.] plate betw week, yi nd 
hype plastron of certain Turtles 
( 
esopleuron (més’‘ = 78 ron) #. [Gk, 
mesos, middle ; pleura, side.] A 
lateral part of an insect mesothorax 
mesopodial (més’ ge gs a. [Gk. 
mesos, middle; pous, foot.] Pert. 
esopodium (604, zool.). 
odium (més 6po'diiim) #. [Gk. 
mesos, middle; fous, foot.] The 
a or petiole — of a leaf 
—— foot (zoo, 
mesop: t més dpréskii’tiim) 
m. [Gk, mesos, middle; L, prae, 
before ; scufum, a shield.] The 
praescutum of mesothorax in Insects 
a n. 
redo 5 middle; 
; 2.). 
goid a dptérigoid) n. 
[G a sess. middle 
ammalian em 
upporting the 
esorhinal take ér7nal) a. [Gk, 
