Embryol.
one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill-breathing ancestral forms. Also called visceral groove .
Embryol.
one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill-breathing ancestral forms. Also called visceral groove .
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012