﻿31
The88210840280139289430
yolk136910840280133281349483
sac191510840280106244361
is23341084028064173
a256410840280134
provender27541084028014724238250563978392710641160
organ(of397310840280148246373503650735882968
birds,499910840280146211307450559629
amphibians,5687108402801343575036487118559181050119613041374
reptiles,17621421028098232377468531593731839907
mammals)272714210280223357581804938100311121197
of398114210280147233
endodermal426814210280139286433580727865963118613201384
origin.571114210280147244306436499644713
it35842767024067148
is37862767024062165
an400127670240117251
outgrowth4301276702401272583384545536758599391071
of542127670240128200
the56752767024077208322
intestine,36543055024067201282398501582649783901950
inside46593055024053187291358491608
which531130550240186316381486617
there36683343024181214331431544
is42663343024161164
a447833430241117
stock464533430241103185310416542
of523733430241127200
yolk548633430241121242304427
Extraembryonic2126338036117633946459075993812301422154917191909210021872338
membranes4534338036129347276495610831252144416231766