Confocal micrograph of a PDGFRA-H2B-eGFP mouse heart (Jax stock #: 007669), showing total nuclei (red) and fibroblast nulei (green). Pinto Lab - Baker Heart and Diabetes Institute.

Fibroblasts are an interstitial cell type, having many important roles including the maintenance of the extracellular matrix in tissues.

Marker genes: Col1a1, Pdgfra.

Abbreviated cell population name(s): Fibro (e.g. “Fibro1”, “Fibro2”…).