| 释义 | 
		black·head AHD[blăkʹhĕd'] D.J.[ˈblækˌhed]K.K.[ˈblækˌhɛd]n.(名词)- Medicine A plug of keratin and sebum within a hair follicle that is blackened at the surface. Also called  comedo 【医学】  黑头粉刺:在带毛小囊内由角朊和脂肪组成的粉刺,表面呈黑色 也作  comedo
 
 - An infectious disease of turkeys and some wildfowl that is caused by a protozoan(Histomonas meleagridis)  and results in lesions of the intestine and liver. Also called  enterohepatitis ,histomoniasis ,infectious enterohepatitis 黑头病:火鸡和一些野禽的一种传染病,由一种原生动物(黑头病组织原虫) 引起,并会导致肠及肝的损害 也作  enterohepatitis,histomoniasis,infectious enterohepatitis
 
 - Any of various birds, such as the scaup, with dark head markings.黑头鸟:一种以头部呈黑色为特征的鸟,如斑背潜鸭
 
 
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