Extreme Knee Pain/no swelling/no injury. I'm a female ... mid forties... I've never had a problem with my knees, but a week ago I was laying across the bed and a severe pain struck me behind the knee cap. I was in tears instantly.
The definition of a subhead is a secondary heading or title in an article or book. An example of a subhead is a research paper about African deserts with a secondary topic of the Sahara. the title of a subdivision of a chapter, article, etc. a subordinate heading or title, as of a magazine article.
blackhead. a plug of keratin and sebum within the dilated orifice of a hair follicle. The dark color is caused not by dirt but by the discoloring effect of air on the sebum in the clogged pore. Infection may cause it to develop into a pustule or boil.