The National Catholic Committee for Trail Life seeks to facilitate robust Catholic participation in this expressly Christian boys adventuring program, and in particular to foster the growth of a distinctly Catholic culture in troops that wish to build a strong identity expressing the Catholic faith.he National Catholic Committee for Trail Life seeks to facilitate robust Catholic participation in this expressly Christian boys adventuring program, and in particular to foster the growth of a distinctly Catholic culture in troops that wish to build a strong identity expressing the Catholic faith.
A cytotoxic T cell (also known as TC, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8+ T-cell or killer T cell) is a T lymphocyte (a type of white blood cell) that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.
Phagocytosis is an important process in the immune system. Specialized cells, including macrophages, monocytes, neutrophils, and dendritic cells phagocytize invading cells, dead cells and cell debris. Protists, single-celled organisms, use phagocytosis to feed. To unlock this lesson you must be a Study.com Member.