yolk sac
noun
7 letters16 points in Scrabble®17 points in WWF®
DEFINITIONS2
NOUN
1
Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional.
2
Membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo.
WORD FORMS
Starts withY
Ends withC
GAME SCORES
Scrabble®16 points
Words With Friends®17 points
Double word32 points
Triple word48 points
GOOD TO KNOW
Starts & ends withY … C
SYNONYMS & RELATED3
KEEP EXPLORING4