Connective tissue

LSU SVM

What is the function of fibroblasts?

structural support and synthesizes all 3 fibers and extracellular/ground substance

What is the function of adipocytes?

energy storage and thermal insulation

What is the function of mesenchymal stem cells?

embryonic source of all connective tissue cells

What is the function of macrophages?

immune mediated inflammatory response

What is the function of mast cells?

important in allergies to mediate inflammatory response

What is the function of plasma cells?

antibody production

What is the function pericytes?

angiogenesis, vascular integrity, and inflammation

What is another name for mast cells?

mastocytes

What is the most important and abundant connective tissue cell?

fibroblast/fibrocytes

Which connective tissue cell proliferates in the wound healing process of making scar tissues?

fibroblast/fibrocytes

What cell is similar in morphology to fibroblast/fibrocytes?

pericytes

What connective tissue cell is associated with capillaries and endothelial cells?

pericytes

What are unilocular adipocytes?

white; single large fat lipid droplet made of type 4 collagen

What are multilocular adipocytes?

brown; multiple fat lipid droplets in cytoplasm

What connective tissue cells are perivascular?

mast cells

Which of the following does not belong when listing transient/mobile cells?

neutrophils, eosinophils, basophils, pericytes, lymphocytes, monocytes, plasma cells, and granulocytes.

pericytes

Which of the following does not belong when listing fixed/immobile cells?

fibroblast/cytes, pericytes, adipocytes, plasma cells, macrophage, mast cells, and undifferentiated mesenchymal cells.

plasma cells

What is the main function of collagen fibers?

high tensile strength

What is the main function of reticular fibers?

structural network

What is the main function of elastic fibers?

stretching ability

What are characteristics of collagen fibers?

most abundant protein of white fibers that are eosinphillic; type 1 collagen

What are characteristics of reticular fibers?

type 3 collagen fibers associated with blood vessels and nerve fibers that are too thin for HE stain, better in silver stain

What are characteristics of elastics fibers?

yellow fibers that need to be seen via verhoeff stain as black

What are the classifications of connective-tissue proper?

any tissue that supports, protects and gives structure to other tissues and organs in the body

What is connective tissue proper made up of?

cells and extracellular matrix

What is ground substance composed of?

glycosaminoglycans (GAGs) with sulfated proteoglycans and non-sulfated hyaluronan (hyaluronic acid)

What connective tissue cell is shown in the following image?

macrophages

What connective tissue cell is shown in the following image?

mastocytes

What connective tissue cell is shown in the following image?

pericytes

What connective tissue cell is shown in the following image?

mesenchymal stem cells

What connective tissue cell is shown in the following image?

fibroblasts/fibrocytes

What connective tissue cell is shown in the following image?

unilocular

What connective tissue cell is shown in the following image?

multilocular

What connective tissue cell is shown in the following image?

plasma cells

What connective tissue fiber is shown in the following image?

collagen

What connective tissue fiber is shown in the following image?

reticular

What connective tissue fiber is shown in the following image?

elastic