HISTOLOGY CHAPTER 2

• Epithelia that covers the external surfaces is called ectoderm
• DISTENDED BLADDER


  SUPERFICIAL CELLS GET STRETCHED AND FLATTEN OUT- TRANSFORMING THE

  EPITHELIUM INTO STRATIFIED SQUAMOUS.
• 1. CUBOIDAL

  2. DOME-SHAPE PROFILE


  IN THE CONTRACTED STATE, THE BASAL CELLS ARE ____, WHILE THE SUPERFICIAL CELLS HAVE A ____ PROFILE
• CONTRACTED STATE


  THE BASAL CELLS ARE CUBOIDAL. THE SUPERFICIAL CELLS "UMBRELLA CELLS" BULGE

  OUT INTO THE LUMEN GIVING THE CELLS A DOME-SHAPE PROFILE.
• UROTHELIUM


  TRANSITIONAL EPITHELIUM IS ALSO REFERRED TO AS
• THE URINARY PASSAGES AND THE URINARY BLADDER


  TRANSITIONAL EPITHELIUM LINES THE ___ AND THE ____
• TRANSITIONAL EPITHELIUM


  CAN WITHSTAND STRETCHING
• TRANSITIONAL EPITHELIUM


  ALSO REFERRED TO AS UROTHELIUM
• TRANSITIONAL EPITHELIUM


  LINES THE URINARY PASSAGES AND THE URINARY BLADDER
• TRANSITIONAL EPITHELIUM


  CHARACTERISTICS ARE IN BETWEEN STRATIFIED SQUAMOUS AND STRATIFIED CUBOIDAL EPITHELIA.
• TRANSITIONAL EPITHELIUM


  TYPE OF STRATIFIED EPITHELIUM UNIQUE TO MAMMALS
• URETHRA


  STRATIFIED COLUMNAR EPITHELIUM LINES THE ____
• STRATIFIED COLUMNAR EPITHELIUM


  LINES THE URETHRA
• STRATIFIED COLUMNAR EPITHELIUM


  CELLS OF THE DEEPER

  LAYER ARE CUBOIDAL.
• STRATIFIED COLUMNAR EPITHELIUM


  CONSIST OF AT LEAST 2 LAYERS OF COLUMNAR CELLS
• MEDIUM-SIZED DUCTS OF SALIVARY GLANDS


  STRATIFIED CUBOIDAL EPITHELIUM LINES THE ____
• STRATIFIED CUBOIDAL EPITHELIUM


  LINES THE MEDIUM-SIZED DUCTS OF SALIVARY GLANDS
• STRATIFIED CUBOIDAL EPITHELIUM

  CONSIST OF 2 OR 3 LAYERS OF CUBOIDAL CELLS
• NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  LINES THE ORAL CAVITY, ESOPHAGUS, VAGINA, URETHRA, MOST SUPERFICIAL LATER OF THE CORNEA.
• ORAL CAVITY, ESOPHAGUS, VAGINA, URETHRA, MOST SUPERFICIAL LATER OF THE CORNEA.


  NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM LINES THE ____, _____, _____, ____, ____
• "WET" EPITHELIUM OR NONKERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  CELLS IN THE MOST SUPERFICIAL ARE FLATTENED BUT STILL HAVE A NUCLEUS
• GLANDULAR SECRETIONS


  "WET" EPITHELIUM IS KEPT MOIST BY THE _____
• KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  FORMS THE OUTER LAYER OF THE SKIN REFERRED TO AS EPIDERMIS
• OUTER LAYER OF THE SKIN REFERRED TO AS EPIDERMIS


  KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM FORMS THE ____
• KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  WATER-RESISTANT
• "KERATINIZED" - KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  "DRY" EPITHELIUM IS TERMED AS ____
• "DRY" EPITHELIUM OR KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM


  • DEAD CELLS

  • HAVE NO NUCLEUS AND ORGANELLES
• STRATIFIED SQUAMOUS EPITHELIUM


  CAN WITHSTAND RUBBING MORE THAN ANY OTHER TYPE OF EPITHELIUM.
• DEEP LAYER.


  NEW CELLS ARE FORMED IN THE ____ LAYER
• 1. FLAT OR PLAQUE-LIKE

  2. CUBOIDAL OR COLUMNAR.


  IN STRATIFIED SQUAMOUS EPITHELIUM CELLS IN THE MOST SUPERFICIAL LAYER ARE ______, DEEPER LAYERS

  ARE ____ OR ____
• STRATIFIED SQUAMOUS EPITHELIUM


  CELLS IN THE MOST SUPERFICIAL LAYER ARE FLAT OR PLAQUE-LIKE, DEEPER LAYERS

  ARE CUBOIDAL OR COLUMNAR.
• MOST SUPERFICIAL LAYER


  IN STRATIFIED EPITHELIAL TISSUE, SHAPE IS FURTHER CLASSIFIED BASED ON THE CELLS IN

  THEIR _____
• CILIATED PSEUDOSTRATIFIED COLUMNAR EPITHELIUM


  LINES THE AIRWAYS OF THE RESPIRATORY SYSTEM
• MALE URETHRA


  PSEUDOSTRATIFIED COLUMNAR EPITHELIUM LINES THE ____
• PSEUDOSTRATIFIED COLUMNAR EPITHELIUM


  LINES THE MALE URETHRA
• BASAL LAMINA


  IN PSEUDOSTRATIFIED COLUMNAR EPITHELIUM CELLS ARE ATTACHED ON THE ____
• PSEUDOSTRATIFIED COLUMNAR EPITHELIUM


  CELLS CONSTITUTE ONLY ONE LAYER. ALL ARE ATTACHED ON THE BASAL

  LAMINA
• PSEUDOSTRATIFIED COLUMNAR EPITHELIUM


  CELLS VARY IN SHAPE, NUCLEI ARE LOCATED IN VARIOUS LEVELS
• PSEUDOSTRATIFIED COLUMNAR EPITHELIUM


  CONSISTS OF A SINGLE LAYER OF COLUMNAR OR CUBOIDAL EPITHELIUM
• COLUMNAR OR CUBOIDAL


  PSEUDOSTRATIFIED COLUMNAR EPITHELIUM CONSISTS OF A SINGLE LAYER OF _____ OR ____ EPITHELIUM