MES- 
mesos, middle; L. venter, belly! 
n the mid 
Mesozoic pos a ik) w. [ C508, 
iddle ; zoe, life.] The nidale or 
eeieadary ; Gee of rock-systems 
al.). 
— (mét'abid’sis) #. [Gk. 
after ; dzos, life.] Condition 
gers one ——— lives only 
environment and ee d (dio/.). 
ger wtene eatin ik) @. pa 
o throw.] Chicas ae 
; les pores thowesl changes 
occurring in ee organism ; 
metamorphosing (dz0 
metabolin (metabioln). = [Gk. meza- 
bole, ¢ Ses product of meta- 
bolism 
metabolism 7 anetSb! ese 
S artobele, change. ] 
tive, occurring in living organisms 
biol.). 
metabranchial (mét’ dbrang’kial) a 
oo meta, after ; — nec ia, gills,] 
Pert. or in the of the 
—— gill etre 5 Hee, i 
metacarpal (mét’ak4r’pal) a. [Gk. 
carpus, the = 
7, bones 
jee after rp 
7, the metacarpus ; 
eae etc. (anat. at 
metacarpop 
fala a. 
i: wrist ; anx, 
oa the articulations ase 
tween metacarpals and. phalange 
at.). 
soos ct bags ‘apap? piis) #. [Gk. 
meta, afte L. carpus, wrist.] 
The skeletal part = the hand 
tween wrist and fingers, con- 
sisting of five cylindrical bones 
(anat.). 
metachromatinic grains, — chroma- 
toid bodies found in s very 
similar to chromatin in properties 
and characteristics (¢ 
 aeidiceale (mét’Akro’sis) n. [Gk 
meta, after; chrosis, colouring.] 
Ability to —— colour xpan- 
n of pig cells, as in some 
Fishes and Baoties (zool.). 
metacneme (mét'dkném) 7%. fa 
meta, after; kneme, the tibia 
secondary mesentery of Zoantharia 
(zool.). 
187 
MET- 
metacoel (mét’d ae) m. (Gk. me 
after ; Aotlos, hollow.] The third 
and pos — part of the coelom 
of Molluscs (zeo/.). 
—— (met! kon) 1 . meta, 
after ; Zonos, cone.] € postero- 
external cusp ae an sone peers 
ool. 
otnainna (mét’akd’nid) 7. ae _— 
after ; onos, cone; eidos, rese 
blance. ] The postero- -internal pace 
ofa rss molar (zo00. 
metaconule (m mét'sko'r wo [Gk. 
meta, after; onos, cone.] The 
posterior secondary cusp of an 
upper molar (zoo/.). 
metacoracoid sex carat 8 nt. 
Ow ; 
.- The se 
part of = year (zool.). 
mét‘akrd mign) nm. [Gk. 
akros, ummit ; omos, 
erior branch- 
process of the sexoniote -process of 
the scapular spine (zoo/.). 
dal 
metadiscoi (mét’a Adiskoid’Al) a. 
Gk. me fter; diskos, a quoit ; 
agen egg mre A nta 
-Pp 
which thevilli areat first ‘scattered 
poe later restricted to a disc, as in 
i.). 
metadromous ee a. en: 
meta, —_ dromos, a rane 
mary ve s of ape 
arising tocen e upper ae “¥ the 
midrib (404). 
mi etism (métés’thétizm) x. 
Gk. ta, after; aisthetos, per- 
ceptible senses 
product of the evolution of matter 
and force.” 
me (mét’Agas’ po a, [Gk. 
meta, aft ter; gaster, belly.] Pert. 
a posterior gastric region ( (zoo0l.). 
CCE me ste. y 
modified form of gastrula (z 
metagenesis (mét’Aj 
meta, after ; genesis, desce 
ae nation of genera ations, which see, 
métakiné’sis) 7. [Gk. 
aaa after he 
middle jaae of mitosis, during which 
the chromosomes are srouees in 
the equatorial plate (cyz. 
metaloph (mét/Alof) 2. [Gk. meta, 
