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Tissues 🧻 (Epithelial Tissue (Simple squamous (Endothelium (walls of…

- - - - walls of capillaries and blood/lymphatic vessels
      - Alveoli
    - - Serous membranes (lines ventral cavities)
  - - - Salivary glands
      - Pancreas
  - - - Digestive tract
        
        Jejnum
        
        Ilium
      - Bile duct
      - gall bladder
    - - lumen of oviduct/ uterine tubes
      - small bronchi
      - uterus
  - - - Respiratory tract
        
        Trachea
        
        Larynx
    - - Ducts of male reproductive tubes
  - - - Skin epidermis
    - - esophagus
      - Mouth
      - Epiglottis
      - anterior surface of cornea
      - Anal canal
      - Vagina
  - - - Endocrine
      - Exocrine
        
        unicellular
        
        Mucus secreting
        
        Multicellular
        
        Intestinal
        
        stomach
        
        Sebaceous
        
        Mammary
        
        Salivary
- - - - Fibroblast
      - Adipocyte
      - Mast cell
      - Macrophages
      - Plasma cells
      - Lekocytes
      - Lymphocytes
    - - Collagen
      - Elastic
      - Reticular
  - - - (Osseous) Osteocytes sitting in cavities called lacunae surrounded by a very hard matrix containing calcium and lots of collagen fibres
    - - Made of trabeculae , space in between contains bone marrow
  - - - Hyaline cartilage
        
        -Abundant collagen fibers hidden in rubbery matrix.
        -Cell nests in lacunae _Commonest type II collagen
        
        Tracheaa
        
        attaches the ribs to the breast bone (costal cartilage)
        
        covers bone ends and joints (articluar)
        
        Skeleton of fetus starts as mostly hylaline cartilage then develops to bone except for Epiphyseal plates in long bones
      - Fibrocartilage
        
        type I collagen
        
        Cushionlike discs between the vertebrae
      - Elastic cartilage
        
        Elastic fibers and type II collagen
        
        Epiglottis
        
        Eustachian tube
        
        Ear lobule
  - - - More cells and fewer fibers; lots of ground substance
        
        Adipose connective tissue
        
        "fat" Subcutaneous tissue beneath the skin; insulates and protects body
        
        kidneys
        
        eyeballs
        
        Breast
        
        Reticular Connective tissue
        
        Interwoven reticular fibers and Single stranded collagen fibers (type III collagen)
        
        cells-lymphocytes, macro-phages, and fibroblasts
        
        Bone marrow
        
        Spleen
        
        Lmyphoid organs
        
        forms stroma which supports many free blood cells in
        
        Areolar connective tissue
        
        1-wraps and cushions organs
        
        2-holds and conveys tissue fluid
        
        3-important role in inflammation
        
        Under epithelial tissue
        
        forms lamina propia of mucous membranes
        
        packages organs (forms synovial membranes)
        
        surrounds small nerves and capillaries
        
        Gel like matrix, all 3 protein fibers
        
        cells- fibroblasts , macrophages, mast cells, white blood cells
    - - Collagen fibers are the main matrix element between them are Fibroblasts
        
        Elastic
        
        Ligaments (connects bones to bones at joints) (more stretchy than tendons)
        
        Irregular
        
        lower layers of the skin
        
        Regular
        
        Tendons (attach skeletal muscles to bone)
- - - - straiations
      - single nucleus
      - short and branching
  - - - No striations
      - Tapered at both ends
      - Stomach
      - uterus
      - Blood Vessels
  - - - long
      - Cylindrical
      - multinucleated
      - striations
- - - - Astrocytes
        
        Myelin in the CNS
      - Oligodendrocytes
        
        Phagocytic cells (for defense)
      - Microglia
        
        Blood brain barrier
      - Ependyma
        
        secrete cerebrospinal fluid
      - Schwan cells
        
        Myelin in PNS