1460518585-969b93f5-4e7c-4fad-957b-96fb169dcb40

A cytology cell sampler for use in collecting mucosal cell samples from a human comprising a handle and a head portion. Combination categories are composed of multiple simple categories such as sports, news, comedy, movies, children, etc. In certain embodiments, the component is an attachment such as an exhalation valve of a respiratory mask.