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Medical illustration of the blood supply to the large intestine, showing the abdominal aorta, superior and inferior mesenteric arteries, and colic arteries. Parts of the large intestine shown include the vermiform appendix, cecum, hepatic flexure, splenic flexure, sigmoid colon, rectum, and anal canal.
Medical illustration of the upper respiratory tract, midsagittal section, including the three regions of the pharynx. Shown are the nasal conchae, auditory tube opening, hard and soft palates, uvula, pharyngeal tonsil, palatine and lingual tonsils, epiglottis, hyoid bone, vocal cords, trachea, and esophagus.