Definition. A fibroblast is a cell that manufactures and maintains connective tissue, the structural framework that supports the organs of all animals. Fibroblasts secrete fibrous proteins and ground substance, which together form the extracellular matrix that is the basis of connective tissue. fibroblast is a cell that manufactures and maintains connective tissue, the structural framework that supports the organs of all animals.
Therefore, there is very little chlorophyll in these tropical waters, keeping them clear. (As an aside, corals are symbioses where phytoplankton have evolved to survive in nutrient-poor tropical waters by living inside the bodies of the corals and obtaining nutrients directly from the waste products of the corals.
1. Re: Weather/water temp in Clearwater in mid-late September. Apr 11, 2008, 11:14 AM. Weather will be very nice. Not quite as hot and humid as June/July/August. The water will be plenty warm. Still could be getting the Summertime afternoon rains where it will rain for an hour or two, then be sunny again. It will be hurricane season.