eusporangiate
— Adjective
– English
~ (of ferns) having sporangia that arise from a group of epidermal cells; "eusporangiate ferns of the families Ophioglossaceae and Marattiaceae"
eusporangium
— Noun
– English
~ a sporangium that arises from a group of epidermal cells
Eustachio
— Noun
– English
~ Italian anatomist who was one of the fathers of modern anatomy; noted for descriptions of the ear and the heart (1520-1574)