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Histology and Tissue Types in Anatomy & Physiology

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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  • What defines simple epithelia?

    Consist of a single layer of cells with an apical surface facing air or fluid.

  • Characteristics of simple squamous epithelium

    Single layer of flat cells; functions as a barrier for gas and fluid exchange; located in air sacs of lungs and inner lining of blood vessels.

  • Function and location of simple cuboidal epithelium

    Single layer of cube-shaped cells; involved in absorption and secretion; found in kidney tubules and lower respiratory passages.

  • Features of simple columnar epithelium

    Single layer of rectangular cells with oval nuclei; functions in absorption and secretion of mucus; located in digestive tract and uterine tube.

  • What is pseudostratified columnar epithelium?

    Single layer of columnar cells appearing stratified due to nuclei position; has cilia for mucus movement; found in nasal cavity and upper respiratory passages.

  • Define stratified squamous epithelium

    Multiple layers of squamous cells; protects against abrasion and water loss; found in epidermis and mouth lining.

  • Difference between keratinized and nonkeratinized stratified squamous epithelium

    Keratinized has dead, flaky cells for water resistance; nonkeratinized remains moist and protects against chemicals; locations differ accordingly.

  • Function of stratified cuboidal epithelium

    Two or more layers of cuboidal cells; provides some absorption and secretion; found in ducts of sweat glands.

  • Role of stratified columnar epithelium

    Two or more layers of columnar cells; protects and aids absorption; located in ducts of glands and parts of male urethra.

  • What is transitional epithelium?

    Multiple layers of cells that change shape when stretched; provides protection and distensibility; found in urinary bladder and urethra.

  • Key features of skeletal muscle tissue

    Long, striated cells with multiple nuclei; voluntary control; responsible for body movement.

  • Characteristics of cardiac muscle tissue

    Striated cells with single nucleus and intercalated discs; involuntary control; found in heart walls.

  • Describe smooth muscle tissue

    Spindle-shaped, non-striated cells with single nucleus; involuntary control; found in walls of hollow organs.

  • Components of connective tissue proper

    Cells, fibers, and ground substance; includes loose and dense types like adipose, reticular, and collagenous tissues.

  • Function and location of loose connective tissue

    Supports and houses blood vessels; found deep to epidermis and lining body cavities.

  • Differences between dense irregular and dense regular connective tissue

    Irregular resists stress in multiple directions; regular resists stress in one direction; locations include skin and tendons respectively.

  • What is reticular connective tissue?

    Contains reticular fibers and leukocytes; forms internal structure of organs like lymph nodes and spleen.

  • Functions of adipose connective tissue

    Provides warmth, insulation, shock absorption, and energy reserve; surrounds heart and abdominal organs.

  • Types of specialized connective tissue

    Includes cartilage (hyaline, fibrocartilage, elastic), bone, and blood.

  • Features of hyaline cartilage

    Contains chondrocytes and ECM; supports and resists compression; found between bones and in respiratory tract.

  • Role of fibrocartilage

    Contains chondrocytes and collagen fibers; supports and resists compression; located in intervertebral discs.

  • Characteristics of elastic cartilage

    Contains chondrocytes and elastic fibers; involved in producing and detecting sound; found in ears and epiglottis.

  • Functions of bone tissue

    Supports, protects, provides leverage for movement, and stores calcium; contains osteocytes, osteoblasts, and ECM.

  • Components and function of blood

    Contains plasma, erythrocytes, and leukocytes; transports nutrients, gases, wastes, and immune cells.

  • Identify neuron components in nervous tissue

    Includes cell body, nucleus, nucleolus, dendrites, and axon; neurons transmit signals.

  • Role of glial cells

    Smaller cells supporting neurons; provide protection and nourishment.