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Anatomy & Physiology: Tissues I – Epithelial & Connective Tissues

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Terms in this set (15)

  • What is histology?

    Histology is the study of tissues, their structure, and function.

  • What are the four major tissue types in the body?

    The four major tissue types are epithelial, connective, muscle, and nervous tissues.

  • General features of epithelial tissue

    Epithelial tissue covers body surfaces, lines cavities, has closely packed cells with minimal matrix, and is avascular but innervated.

  • General features of connective tissue

    Connective tissue supports, binds, and protects organs; has cells scattered in an extracellular matrix with fibers and ground substance.

  • Structure and function of simple squamous epithelium

    Single layer of flat cells; allows rapid diffusion and filtration; found in alveoli and blood vessel linings.

  • Structure and function of simple cuboidal epithelium

    Single layer of cube-shaped cells; functions in secretion and absorption; located in kidney tubules and glands.

  • Structure and function of simple columnar epithelium

    Single layer of tall, column-shaped cells; absorbs and secretes mucus and enzymes; found in digestive tract lining.

  • Structure and function of pseudostratified columnar epithelium

    Single layer with nuclei at different levels, appears stratified; secretes mucus and moves it with cilia; found in respiratory tract.

  • Structure and function of stratified squamous epithelium

    Multiple layers of flat cells; protects against abrasion; found in skin, mouth, and esophagus.

  • Structure and function of stratified cuboidal epithelium

    Multiple layers of cube-shaped cells; provides protection; found in sweat gland ducts and mammary glands.

  • Structure and function of stratified columnar epithelium

    Multiple layers with columnar cells on surface; protects and secretes; found in parts of the pharynx and male urethra.

  • Structure and function of transitional epithelium

    Multiple layers of cells that can stretch; allows urinary organs to expand; found in bladder and ureters.

  • What is glandular epithelium?

    Epithelium specialized to produce and secrete substances like enzymes, hormones, and mucus.

  • Examples of exocrine glands and their secretions

    Examples include sweat glands (sweat), salivary glands (saliva), and sebaceous glands (oil).

  • Examples of endocrine glands and their secretions

    Examples include the thyroid gland (thyroid hormones) and adrenal glands (adrenaline).