pulmonary opening


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

opening

 [o´pen-ing]
a gap or open space; anatomic nomenclature for various types of openings includes aditus, aperture, foramen, fossa, hiatus, inlet, meatus, orifice, ostium, and outlet.
aortic opening
1. the aperture in the diaphragm for passage of the descending aorta.
cardiac opening the opening from the esophagus into the stomach.
pulmonary opening (opening of pulmonary trunk) pulmonary orifice.
pyloric opening the opening between the stomach and duodenum.

pulmonary opening, opening of pulmonary trunk

pulmonary orifice.