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The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area.
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
Dermatitis herpetiformis is a blistering skin condition associated with celiac disease.
A thin cleft, called the synapse, separates one cell from another.