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内脏学一、消化系消化系由消化管和消化腺两大部分组成。消化管由口腔、咽、食管、胃、小肠和大肠等组成。临床上通常把从口腔到十二指肠的一段,称为上消化道;把空肠到肛门的一段,称为下消化道。消化腺有大、小两种。大消化腺有大唾液腺、肝和胰;小消化腺则位于消化管壁内,如食管腺、胃腺和肠腺等。大唾液腺共有三对,即腮腺、下颌下腺和舌下腺。应注意它们的位置及其开口部位。肝是人体中最大的腺体。肝呈楔形,可分为上、下两面,前、后两缘,左、右两叶。
Visceral Science First, the digestive system digestive system by the digestive tract and digestive gland two major components. Digestive tract by the mouth, pharynx, esophagus, stomach, small intestine and colon and other components. Clinically, usually from the mouth to the duodenum section, called the upper gastrointestinal; the jejunum to the anus, called the lower gastrointestinal tract. Digestive gland has big and small two kinds. Large digestive gland has a large salivary gland, liver and pancreas; small digestive gland is located in the digestive wall, such as esophageal gland, stomach gland and gut gland. There are three pairs of large salivary glands, parotid, submandibular and sublingual glands. Pay attention to their location and their openings. The liver is the largest gland in the human body. Liver was wedge, can be divided into upper and lower sides, before and after the two edges, left and right leaves.