Please enable JavaScript.

Coggle requires JavaScript to display documents.

EPITHELIAL TISSUE - Coggle Diagram

- - - - basal surface/domain:
        
        facing the basement membrane
        
        contact with the zone between epit. cells and underlying connective tissue
      - apical surface/domain:
        facing outside or lumen or tubular structure
        
        junctional complexes:
        
        tight cohesion between cells
        
        regulate the movements of solutes across the plasma membrane of these cells
        
        separate the apical domain from the basal and lateral
        
        determine the specialization of the cells
        
        special surface adaptation for specific function
        
        MICROVILLI:
        
        finger-like protrusion of the plasmalemma
        
        apical surface of linng epithelia
        
        absorption and transport of fluids
        
        increase the absorption surface
        
        form a BRUSH
        
        RESPIRATORY TRACT
        
        FEMALE GENITAL TRACT
        
        CILIA:
        
        mobile hair-like structures that are mobile
      - lateral surface/domain:
        
        communicate with adjacent epit. cell throug cellular junction
        
        specialized cell
        
        SERTOLI CELL:
        supporting cells
        
        GERMINAL EPITHELIUM of seminiferous tubules of testis
        
        composed of GERMCELL:
        
        meiosis
        
        can be haploid
        
        form the BLOOD TESTIS BARRIER:
        
        occluding junction
        
        prevent the passage of any substances
        
        divde the sem. tubules in 2 compartments:
        
        basal comp.: close to basal membrane
        
        spermatogonia
        
        primary spermocytes
        
        adluminal comp.: close to the lumen
        
        secondary spermocytes
        
        spermatides
        
        spermatozoa
- - - - alimentary canal and respiratory tract
      - glands attached to the digestive system
  - - - lining epithelium of the
        
        SEROUS CAVITY
        
        delimit by SEROUS MEMBRANE
        
        certain possibility of movememt
        
        2 layer in continuity
        
        VISCERAL SHEET:
        
        adheres closely to the organ
        
        mesothelium
        
        submesothelium --> adheres to the subserous canvas
        
        between a cavity with liquid so te layer can slide one over the other
        
        PARIETAL SHEET
        
        mesothelium + submesothelium
        
        are:
        
        PERITONEAL C.:
        
        Delimited by PERITONEUM
        
        sorround the viscera of the abdomen cavity
        
        Irregular --> different structures + different thickness
        
        vascularized
        
        PARIETAL PERITONEUM: wals of the abdominal cavity
        
        VISCERAL PERITONEUM: individual organs
        
        organs lined:
        
        INTRAPEITONEAL
        
        RETROPERITONEAL: behind the parietal peritoneum
        
        PERICARDIAL C.
        
        delimited by PERICARDIUM
        
        EPICARDIUM.
        
        visceral layer
        
        envelops the heart
        
        PARIETAL LAYER:
        
        adheres to the wall of mediastinal region
        
        PLEURAL CAVITIES:
        
        delimite by the PLEURA
        
        VISCERAL LAYER: the lungs
        
        PARIETAL LAYERS:
        wall of thoracic cavity
        
        between:
        PLEURAL FLUID
        
        secreted by the pleura
        
        accompanying the movement of the lungs during the resiratory acts
      - SUBMESOTHELIUM.
        
        loose connective tissue
- - - - stomach
      - trachea
      - blood vessels
      - layers from inside (lumen) to outside:
        
        MUCOUS MEMBRANE
        -lining epithelium
        -rest on a LAMNA PROPRIA (loose connective tissue: blood vessels and mucosal gland)
        -sometimes rests on MUSCULARIS MUCOSAE (thin laye of smooth muscle
        
        SUBMUCOSAL TUNIC
        -loose connective tissue
        -important blood vessels, nerve, fibres and glands
        
        MUSCLE TUNIC
        -2 layer of smooth muscleperpendicular to each other
        (if more: irregular)
        
        innermost: circular orientation
        
        outermost: cells in longitudnal orientatin
        
        ADVENTITIOUS TUNIC
        -dense or loose connective tissue
        
        SEROUS TUNIC
        -envelping layer present on the surface of:
        
        heart: PERICARDIUM
        
        lungs: PLEURA
        
        abdomen and pelvis: PERITONEUM
  - - - divide the organs in LOBES and LOBULES
        
        constituting the STROMA of the organ
        
        mechanical support of the parenchyma, contin blood vessels , nerves, excretory ducts
    - - divide in
        
        CORTICAL AREA: peripheral
        
        MEDULLARY AREA: centra