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Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Socrates (470–399 B.C.E.) was an Ancient Greek philosopher often called the "father of ...
Some ignition coils are electrically connected, called married (top figure), whereas others use ...
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...
The nucleus is bounded by a double membrane called the nuclear envelope
A thin cleft, called the synapse, separates one cell from another.