A&P CH#3 PT1 Compartments and Tissues

• They hold cells in tissue together. What is this?

  Cell Junctions
• How do Histologists describe tissues by their physical features?

  Shape and Size

  arrangement of cells in tissue

  ways cell connect to one another

  amount of extracellular matrix in tissue
• what are the 4 primary tissues in the human body?

  Epithelial, Connective, Muscle, and Neural or Nerve
• What is an Extracellular Matrix?

  Extracellular (space outside cell) material that’s synthesized & secreted (released) by cells of tissue
• Mechanical properties such as elasticity and flexibility of a tissue depend on what?

  amount & consistency of tissue’s matrix
• What are the 2 components of matrix?

  Proteoglycans and Insoluble Protein Fibers
• What are Proteoglycans?

  Glycoproteins
• WHat are Glycoproteins?

  protein covalently (electrons shared between two atoms) bound to polysaccharide chains
• what are Insoluble Protein Fibers?

  Provides strength & anchor cells to the matrix
• Give me some examples of Insoluble Protein Fibers?

  Collagen, Fibronectin, and Laminin
• They have a very little amount of matrix. What type of tissue is this?

  Nerve and Muscle
• “An extensive matrix that occupies as much as volume of their cells.” What type of tissue is this?

  Connective
• The consistency of extracellular matrix can vary from what?

  Watery (blood & lymph) to Rigid (Bone)
• It is the study of tissues structure and its function. What study is this?

  Histology
• What are the primary components of Extracellular matrix?

  Proteoglycans and Insoluble Protein Fibers
• Where is the ECM (Extracellular Matrix) located?

  outside the cells
• it is also known as the Communicating junctions. What type of junction is this?

  Gap Junctions
• It allows passage of electrical and chemical signals. What type of junction is this?

  Gap or Communicating junctions
• it allows cell to cell communication through cytoplasmic bridges between adjoining cells. What type of junction is this?

  Gap or communicating junctions
• it‘s important in cell to cell communication in many tissues like; liver, pancreas, ovary, and thyroid gland. What type of junction is this?

  Gap junction
• it is the simplest cell to cell junctions. What type of junction is this?

  Gap junction
• it creates barriers. What type of junction is this?

  Tight
• Cell membranes of adjacent (nearby) cells partly fuse with the help of the proteins called; claudins and occludins. What type of junction is this?

  Tight junction
• “barrier” What type of junction is this?

  Tight junction
• it enables cells to regulate what enters and leaves the body. What type of junction is this?

  tight junction
• it adheres (attaches) to each other or to the extracellular matrix. What type of junction is this?

  Anchoring
• What does the CAM stand for?

  Cell Adhesion Molecule
• What are Cadherins?

  Connects with one another across intercellular space
• What is the stongest junctions?

  Desmosomes
• What does Hollow mean?

  Empty
• Give me examples of hollow organs?

  Hearts, lungs, and intestines
• WHat do we mean by compartments of the body?

  Division or groups of certain anatomical structures
• what are the 3 major cavities in the body?

  Cranial, thoracic, abdominopelvic
• What does ICF stand for?

  Intracellular fluids
• WHat does ECF stand for?

  Extracellular fluids
• Where does ECF (extracellular fluids) lie?

  Outside the cells.
• Who/what makes the matrix?

  cells
• What are cell junctions?

  Stabilize in one place
• Squamous means what?

  flat
• an organ that is Hollow (empty) is what?

  Lumen