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unit 15

Terms in this set (77)

Gastrointestinal tract
The large, muscular tube that extends from the mouth to the anus, where the movement of muscles, along with the release of hormones and enzymes, allows for the digestion of food. Also called the alimentary canal or digestive tract.
Oral cavity
includes the lips, the inside lining of the lips and cheeks (buccal mucosa), the teeth, the gums, the front two-thirds of the tongue, the floor of the mouth below the tongue, and the bony roof of the mouth (hard palate)
Lips
soft, movable, and serve as the opening for food intake and in the articulation of sound and speech.
Uvula
move together to close off the nasopharynx, and prevent food from entering the nasal cavity
Vestibule
a chamber or channel communicating with or opening into another, in particular.
Lingual frenulum
a small fold of mucous membrane extending from the floor of the mouth to the midline of the underside of the tongue.
Oropharynx
the part of the pharynx that lies between the soft palate and the hyoid bone.
Larygopharnx
where both food and air pass
Esophagus
the part of the alimentary canal that connects the throat to the stomach; the gullet. In humans and other vertebrates it is a muscular tube lined with mucous membrane.
Stomach
major part of the digestion of food occurs
Cardioesophageal sphincter
The lower portion of the esophagus on the junction of the esophagus along with the stomach is covered by the lower esophageal sphincter or gastroesophageal sphincter
Pyloric sphincter
band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine
Rugae
a term used in anatomy that refers to a series of ridges produced by folding of the wall of an organ.
Greater curvature
he boundary of the stomach that forms a long usually convex curve on the left from the opening for the esophagus to the opening into the duodenum
Lessercurbature
of the stomach, extending between the cardiac and pyloric orifices, forms the right or medial border of the stomach.
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