The outside source applies color is because the tooth surface exists various germs, they secrete many sticky sex materials in the tooth surface, everyday the tea dirt in the food, smoke Zi, and drink aquatic and some mineral qualities and people the mineral quality within saliva adsorb on these sticky sex materials to form germ spot and tartar and make tooth yellow gradually or black.

外源性著色是由于牙齒表面存在著多種細菌，它們在牙齒表面分泌許多黏性物質香蕉视频A片，日常飲食中的茶垢免费一级在线欧美视频网站、煙漬、以及飲用水中的某些礦物質和人們唾液中的礦物質吸附在這些黏性物質上形成菌斑和牙石超碰欧美人人肏，逐漸使牙齒變黃或變黑性交BBW。

Their saliva has antibacterial properties; it contains lysozyme, an enzyme that lyses and destroys harmful bacteria. Their short digestive tract is designed to push through food and bacteria quickly without giving bacteria time to colonize. The extremely acidic environment in the gut is also a good bacteria colonization deterrent. People often point to the fact that dogs shed salmonella in their feces (even kibble-fed dogs do this) without showing any ill effects as proof that the dog is infected with salmonella.

牠們的唾液有殺滅細菌的功能本页影院，其所含的成分可以很快制有害細菌為死地日日碰人人操；牠們很短的消化道是的食物和細菌很快的通過，致使細菌沒有繁殖的時間欧美性交播播；膽道所分泌的高酸性膽汁也使有害菌沒有生長的環(huán)境外国一级黄色视视频免费看；人們也會發(fā)現(xiàn)在健康狗狗的排泄物中可以發(fā)現(xiàn)沙門氏菌（有些喂食狗糧的狗狗也會有），因而認定狗狗感染了沙門氏菌亚洲欧美制服中文字幕。

In exceptional circumstances, a dream to the delicious food, will stimulate saliva secretion, saliva secretion increased, it will lead to drooling; improper sleeping positions sometimes lead to the phenomenon of flow of saliva; Some people sleep regularly teeth and stimulate the brain nerve center, to promote saliva secretion, so that flow of saliva; some people love spicy food thing, or, tobacco, liquor, so that night, dry mouth, increased saliva secretion; sleep, mouth breathing tends to dry mouth, thus contributing to an increase in saliva secretion ; In addition, some diseases, such as infectious stomatitis, toothache, mercury, potassium iodide poisoning, but also can stimulate an increase in saliva secretion, causing sleep drool.

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Baby teething can be to stimulate the distribution of the trigeminal nerve in the face, so that increase in saliva secretion.

孩子長牙時可刺激分布于面部的三叉神經免费人人爱做人人爽，使唾液分泌增加。

anticoagulant：抗凝血劑

以吸血為食,可算是我們溯溪愛好者的夢魘.利用吸盤附在寄主體上,吸取寄主血液時,會分泌唾液(saliva),唾液中含有一種抗凝血劑(anticoagulant),稱水蛭素(hirudin),會使傷口的血無法凝固,如此它就可繼續(xù)不斷吸食.

premedication：麻醉前給藥

1.麻醉前給藥(premedication)指病人進入手術室前應用的藥物. 手術前夜常用苯巴比妥或地西泮(安定)使病人消除緊張情緒. 次晨再服地西泮使短暫缺失記憶. 注射阿片類鎮(zhèn)痛藥,以增強麻醉效果,注射阿托品以防止唾液及支氣管分泌所致的吸入性肺炎,

salivate：使分泌唾液

salivaspitat 唾 | salivate 使分泌唾液 | salivatesalivation 分泌唾液

salivate：分泌唾液/流涎/使分泌唾液

salivary /唾液的/ | salivate /分泌唾液/流涎/使分泌唾液/ | salivation /分泌唾液/流涎癥/

salivate：分泌唾液; 流口水; 使分泌唾液 (動)

salivary gland 唾腺 | salivate 分泌唾液; 流口水; 使分泌唾液 (動) | salivation 分泌唾液; 流涎癥 (名)