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Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...