BLASTOCYSTS
Scrabble letter values: B3L1A1S1T1O1C3Y4S1T1S1 = 18
Definition
BLASTOCYSTS is the plural of BLASTOCYST.
noun BLASTOCYST: the blastula of a placental mammal in which some differentiation of cells has occurred.
Synonyms of BLASTOCYST: blastodermic_vessicle