Connective Tissue Flashcards
4 functions of the Connective Tissue
- Resist stress
- Immunity
- Organize Tissues
- Metabolic
Embryonic Origin of the Connective Tissue
Mesenchyme
Connective Tissue has relative ______ cells
Few
Connective Tissues have _______ extracellular matrix
Lots of / abundant / large amount of
Connective Tissue has a significant network of?
Blood Vessels
3 Components of Connective Tissue
- Cells
- Protein Fibers
- Ground Substance
Most common cells in the connective tissue proper
Fibroblasts
Fibroblasts originate from where?
Mesenchymal Cells
If fibroblasts are active cells, what are are the inactive or quiescent cells?
Fibrocytes
Derived from the precursor cells called monocytes
Macrophages / Histocytes
Are antigen presenting cells
Macrophages
Also known as Signet Ring Cells
Fat Cells / Adipose Cells / Adipocytes
Adipocytes store what?
Neutral Fats
- Usually ovoid with a small, centrally placed nucleus
- Cytoplasm filled with strongly basophilic granules containing histamine
Mast Cells
Derived from B Lymphocytes
Plasma Cells
- Highly specialized for antibody synthesis
- Has a cart wheel or clock face arrangement of nucleus
Plasma Cells
Most abundant WBC
Neutrophils
Amorphous substance that fills the space between the cells and fibers
Ground Substance
Macromolecules in the Ground substance
- Glycosaminoglycans (GAGs)
- Proteoglycans
- Proteins (fibronectin)
Type of Protein Fiber
- tough, thick, fibrous protein
- most abundant type of fiber in the CT
Collagen Fibers
Type of Protein Fiber
- Thin, and forms delicate netlike support framework
- Consists mainly of Collagen Type III
Reticular Fibers
What is it called when a tissue or organ can only be visible when stained with silver stain?
Argyrophilic
Type of Protein Fiber
- thin, small, branching fibers that allow stretch
Elastic Fibers
3 types of protein fibers?
- Collagen Fibers
- Reticular Fibers
- Elastic Fibers