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Cnidarians have specialized stinging cells called cnidocytes
Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin