“cell mass”

The following 2 entries include the term cell mass.

inner cell mass

noun

: the portion of the blastocyst of a mammalian embryo that is destined to become the embryo proper

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intermediate cell mass

noun

: nephrotome

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  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
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