History of the USS San Francisco. The USS San Francisco is a Los Angeles Class nuclear submarine and had a billion dollar price tag when it was built in the 1970s. Los Angeles class submarines were built from 1976-1996, with 62 completed and 39 still in service today, one of which is the USS San Francisco. These submarines have an estimated maximum speed of 30-33 knots, although the exact speed is classified. The USS San Francisco has an operational depth of 650 feet.
Full Definition of WHITE BLOOD CELL. : any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils âcalled also leukocyte, white blood corpuscle, white cell.See white blood cell defined for English-language learners.ull Definition of WHITE BLOOD CELL. : any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils âcalled also leukocyte, white blood corpuscle, white cell. See white blood cell defined for English-language learners.
white blood cell. Any of various white or colorless cells in the blood of vertebrate animals, many of which participate in the inflammatory and immune responses to protect the body against infection and to repair injuries to tissues. White blood cells are formed mainly in the bone marrow, and unlike red blood cells, have a cell nucleus.