Definitions from Wiktionary (yolk sac)
▸ noun: (anatomy) A membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals.
yolk sac tumor,
yolk sac placenta,
inverted yolk sac,
primitive yolk sac,
yolk sac infection,
more...
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▸ noun: (anatomy) A membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals.
Similar:
ink sac,
postlarva,
bag of waters,
skein,
eleutheroembryo,
nest,
ichthidin,
branchial arch,
jellycoat,
symplectic,
more...
Opposite:
Types:
Phrases:
Adjectives:
ectolecithal,
gastrular,
allantoid,
vitelline,
centrolecithal,
mesogleal,
mesodermic,
vitelligenous,
chorioallantoic,
mesolecithal,
opisthosomal
▸ Words similar to yolk sac
▸ Usage examples for yolk sac
▸ Idioms related to yolk sac
▸ Wikipedia articles (New!)
▸ Words that often appear near yolk sac
▸ Rhymes of yolk sac
▸ Invented words related to yolk sac