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The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
How the neural plate develops into the neural tube during the third and fourth weeks of human ...
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from