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.
This gorgeous teardrop-shaped bay is a famous movie location and changes color with the light of day: A picture-perfect location for a refreshing swim. Visit the world-famous Blue Lagoon and swim in the clear water of this natural pool or explore the rocky shores. As you plunge in Jamaicaâs largest spring-fed lagoon, you can feel the warm currents of the Caribbean Sea brush against the cool spring water.