endotracheal tube
— Noun
– English
～ a catheter that is inserted into the trachea through the mouth or nose in order to maintain an open air passage or to deliver oxygen or to permit the suctioning of mucus or to prevent aspiration of the stomach contents
Eustachian tube
— Noun
– English
～ either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum
Ewing's tumor
— Noun
– English
～ malignant tumor in bone marrow (usually in the pelvis or in long bones)
Ewing's tumour
— Noun
– English
～ malignant tumor in bone marrow (usually in the pelvis or in long bones)