home / medterms medical dictionary a-z list / granular leukocyte definition Medical Definition of Granular leukocyte Granular leukocyte: A type of white blood cell filled with microscopic granules (tiny sacs) containing enzymes that digest microorganisms. Granular leukocytes-- they are better known as granulocytes -- are part of the innate immune system and have somewhat non specific, broad-based activity. They do not respond exclusively to specific antigens, as do B-cells and T-cells.
Single (music) In music, a single or record single is a type of release, typically a song recording of fewer tracks than an LP record, an album or an EP record. This can be released for sale to the public in a variety of different formats.
Jump (Van Halen song) Jump is a song by the American rock band Van Halen. It was released in December 1983 as the lead single from their album 1984. It is Van Halen's most successful single to date reaching number one on the US Billboard Hot 100.