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Adipocytes are the cells that primarily compose adipose tissue, specialized in storing energy as fat.

Description[edit | edit source]

There are two types of adipose tissue: white adipose tissue (WAT) and brown adipose tissue (BAT), that are also known as white fat and brown fat respectively. Consequently, these two tissues are made up of two types of fat cells.

  • Brown fat cells are polygonal in shape. Unlike white fat cells, these cells have considerable cytoplasm with lipid droplets scattered throughout. The nucleus is round, and, although eccentrically located, it is not in the periphery of the cell. The brown color comes from the large quantity of mitochondria. Brown fat is also known as “baby fat,” and is used to generate heat.

Lineage[edit | edit source]

Although the lineage of adipocytes is still unclear, Preadipocytes are undifferentiated fibroblasts that can be stimulated to form adipocytes.

Mesenchymal stem cells can differentiate into adipocytes, connective tissue, muscle or bone.

Areolar connective tissue is composed of adipocytes.

External links[edit | edit source]

  • Histology at Boston University 08201loa - "Connective Tissue: unilocular (white) adipocytes "
  • Histology at Boston University 04901lob - "Connective Tissue: multilocular (brown) adipocytes"

cs:Tuková buňka

de:Fettzelle fr:Adipocyte pt:Célula adiposa sk:Tuková bunka

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