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All 43 anatomical structures at stage Gastrula:Germ-ring (5.66h-6.0h)

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Structure Name	Synonyms
anatomical line
groove
anatomical space	anatomical spaces
anatomical structure	anatomical structures
acellular anatomical structure	acellular anatomical structures
cell	cells
yolk	yolk cell
yolk syncytial layer	periblast, yolk sac, YSL
external yolk syncytial layer	E-YSL
internal yolk syncytial layer	I-YSL
organizer inducing center	Nieuwkoop center
embryonic structure	embryonic structures
blastoderm
blastoderm cell	blastomere
DEL	deep cell layer, DEL cells
epiblast
EVL	enveloping layer
forerunner cell group	DFCs, dorsal forerunner cells, forerunner cells
germ ring
hypoblast	mesendoderm
margin
presumptive brain	brain rudiment
presumptive structure	presumptive structures
presumptive blood
presumptive ectoderm	presumptive epidermis
presumptive endoderm
presumptive mesoderm
presumptive dorsal mesoderm
presumptive paraxial mesoderm
presumptive ventral mesoderm
presumptive neural plate	neurectoderm, presumptive central nervous system, prospective neuroectoderm, prospective vegetal ectoderm
presumptive shield
extraembryonic structure	extraembryonic structures
chorion
organism subdivision	body part
axis	midline
portion of tissue
whole organism	multi-cellular organism
female organism
anatomical cluster
proliferative region	cell cycle, cell division, proliferation
reproductive system
gastrula cell	gastrula cells