| 词条 | Caviar tongue |
| 释义 |
| name = | synonym = | image = Facies inferior linguae.JPG | image_size = | alt = | caption = Normal appearance of the undersurface of the tongue, showing prominent veins | pronounce = | specialty = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }}Caviar tongue (also termed sublingual varicosities or sublingual varices), is a condition characterized by purplish venous ectasias commonly found on the ventral (undersurface) of the tongue after the age of fifty.[1]{{rp|803}} It is normal for there to be veins visible underneath the tongue, partly because the mucous membrane is so thin and translucent in this region, but where these vessels become dilated and tortuous, they may appear round and black like caviar.[2] See also
References1. ^{{cite book |author1=James, William D. |author2=Berger, Timothy G. |title=Andrews' Diseases of the Skin: Clinical Dermatology |publisher=Saunders Elsevier |location= |year=2006 |pages= |isbn=0-7216-2921-0 |oclc= |doi= |accessdate=|display-authors=etal}} {{Oral pathology}}2. ^{{cite journal|last=Viswanath|first=V|author2=Nair, S |author3=Chavan, N |author4= Torsekar, R |title=Caviar tongue.|journal=Indian Journal of Dermatology, Venereology and Leprology|date=Jan–Feb 2011|volume=77|issue=1|pages=78–9|doi=10.4103/0378-6323.75002|pmid=21220892}} 2 : Conditions of the mucous membranes|Tongue disorders |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。