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Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Colon with diverticulosis. An inflamed or infected diverticulum is called diverticulitis.
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
A thin cleft, called the synapse, separates one cell from another.
A nerve cell (neuron) has extensions called dendrites