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(一)材料胶合板或马粪纸板一块(30.5×21cm)、白纸一张、图钉、细铁丝、棉花少许,橡皮筋一段。 (二)制作 1.按《生理卫生》课本图31(二)(吞咽时的情况图)扩绘在大白纸上,然后粘在胶合板或马粪纸上。 2.用小刀沿画面将鼻腔、咽、食道和喉腔挖空,并切除悬雍垂(5cm左右)、会厌软骨和喉的部分软骨(3cm左右)。 3.将切除下来的悬雍垂、会厌软骨和喉的部分软骨分别延长1/3、1和1/2仿绘在白纸上,再分别粘在粘合板或马粪纸上,用剪刀剪下。
(A) a piece of material plywood or manure cardboard (30.5 × 21cm), a piece of white paper, thumbtacks, thin iron wire, a little cotton, a rubber band. (B) Production 1. According to Figure 31 (b) of the “Physiological Hygiene” textbook (situation when swallowing), draw on large white paper and stick it on plywood or horse manure paper. 2. With a knife along the screen nasal cavity, pharynx, esophagus and throat hollowed out and remove the uvula (about 5cm), epiglottis cartilage and throat part of the cartilage (about 3cm). 3. The removed uvula, epiglottis cartilage and laryngeal cartilage were lengthened by 1 / 3,1 and 1/2 imitation painted on white paper, and then were stuck in the adhesive board or manure paper, respectively, with scissors cut out.