A comparative study on the distribution of medullary (chromaffin) cells in the vertebrate adrenal glands.
D000311:Adrenal Glands / Q000166:cytology*; D000717:Anatomy, Comparative; D000818:Animals; D001001:Anura; D001717:Birds; D002020:Buffaloes; D002838:Chromaffin System / Q000166:cytology*; D010856:Columbidae; D005399:Fishes; D006041:Goats; D008116:Lizards; D012911:Snakes