Histiocytoma
Encyclopedia
A histiocytoma is a tumour
consisting of histiocyte
s. Histiocytes are cells that are a part of the mononuclear phagocytic system, a part of the body's immune system
that consists of phagocytic cells, which are responsible for engulfing solid particles by the cell membrane
to form an internal phagosome
by phagocytes and protists.
Types include:
Tumor
A tumor or tumour is commonly used as a synonym for a neoplasm that appears enlarged in size. Tumor is not synonymous with cancer...
consisting of histiocyte
Histiocyte
A histiocyte is a cell that is part of the mononuclear phagocyte system . The mononuclear phagocytic system is part of the organism's immune system...
s. Histiocytes are cells that are a part of the mononuclear phagocytic system, a part of the body's immune system
Immune system
An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and killing pathogens and tumor cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them from the organism's own...
that consists of phagocytic cells, which are responsible for engulfing solid particles by the cell membrane
Cell membrane
The cell membrane or plasma membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. It basically protects the cell...
to form an internal phagosome
Phagosome
In cell biology, a phagosome is a vacuole formed around a particle absorbed by phagocytosis. The vacuole is formed by the fusion of the cell membrane around the particle. A phagosome is a cellular compartment in which pathogenic microorganisms can be killed and digested...
by phagocytes and protists.
Types include:
- benign fibrous histiocytoma
- malignant fibrous histiocytomaMalignant fibrous histiocytomaPleomorphic undifferentiated sarcoma , also undifferentiated pleomorphic sarcoma and previously malignant fibrous histiocytoma , is a type of soft tissue sarcoma....
- histiocytoma (dog)Histiocytoma (dog)A histiocytoma in the dog is a benign tumor. It is an abnormal growth in the skin of histiocytes , a cell that is part of the immune system. A similar disease in humans, Hashimoto-Pritzker disease, is also a Langerhans cell histiocytosis. Dog breeds that may be more at risk for this tumor...