【医】 ostium primum
first; firstly; primary
【医】 arch-; arche-; eka-; prot-; proto-
【经】 no 1
【医】 saeptum; septa; septation; septum alveoli
cut; gob; jaws; mouth; opening; ostium; scoop; stoma
【医】 aditus; apertura; aperturae; aperture; bouche; introitus; meatus; mouth
opening; ora; orifice; orificium; oro-; os1; ostia; ostium; portal
stoma; stomata; stomato-; trema