Occluded or atresic may be used to mean closed, depending on the context.
The medical term for closed is "intact."
Closed has the same meaning in medical terms as in lay language. A closed fracture means there is no related opening in the skin. A closed cervix does not have a dilated os.
Closed reduction is the medical term meaning aligning broken bones without surgery.
Syncope is the medical term meaning fainting.
Anacusis is the medical term meaning complete deafness.
Lamina is the medical term meaning layers.
Sensation is the medical term meaning feeling.
Flexion is the medical term meaning bending
Atrophy is the medical term meaning shrinking.
Alimentation is the medical term meaning food.
Eructation is the medical term meaning burping.eructation
Asphyxia is the medical term meaning suffocation.Asphyxiationasphyxiation
Acornuate is the medical term meaning hornless.