D. Connective tissue cells. Loose connective tissue contains a variety of cell types. Those that will be considered in this lecture include: (1) endothelial cells, (2) pericytes, (3) fibroblasts, (4) macrophages, (5) plasma cells, (6) mast cells, and (7) fat cells.
niche noun [ C ] (POSITION) âº a job or position that is very suitable for someone, especially one that they like: He has carved/made a niche for himself as a financial advisor. âº an area or position that is exactly suitable for a small group of the same type: an ecological niche.
Niche is not a German word. It is derived from the French word niche (recess), which in turn comes from the Latin nidus, meaning nest. The word means: a shallow recess, especi â¦ ally one in a wall to display an ornament. a comfortable or suitable position in life. a specialized but profitable corner of the market. Ecology a role taken by a type of organism within its community.