tissues, cell anatomy and function Flashcards
fibroblast
are cells that secret extracellular matrix proteins and collagen, critical role in healing
ground substance
is the matrix of loose connective tissue
loose connective tissue
gel, has more ground substance than fibres and cells
- collagen, elastin
- main cell type is fibroblasts
- found in skin and around blood vesicles and organs
main cell in loose connective tissue
fibroblasts
examples of CT
loose CT, dense-regular CT, dense- irregular CT, adipose, blood, cartilage, bone
where do you find dense, CT
tendons and ligaments
- mostly made of collagen
white vs brown adipose CT
white= single lipid droplet
brown is mutliple
4 types of tissue
epithelial, connective, muscle, nerve
totipotent
capable of giving rise to any cell- in the embryo- cells that have not yet differentiated
pluripotent
stem cells that can differentiate into any of the three germ layers