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Anatomy & Physiology: Tissue Types Overview

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Termini in questo insieme (20)

  • What are the key characteristics of epithelial tissue?

    Epithelial tissue consists of tightly joined cells with little extracellular matrix, is avascular, rests on a basement membrane, and has distinct apical and basal surfaces.

  • Name the two functional types of epithelial tissue.

    The two functional types are covering & lining and glandular epithelial tissue.

  • List the six structural types of epithelial tissue.

    Simple squamous, simple columnar, simple cuboidal, stratified squamous, pseudostratified ciliated columnar, and transitional.

  • What are the main components of connective tissue proper?

    Connective tissue proper contains cells (mainly fibroblasts) and an extracellular matrix (ECM) composed of ground substance and fibers.

  • What are the structural types of fibrous connective tissue?

    Loose areolar, dense regular, and dense irregular connective tissue.

  • What is adipose connective tissue classified as?

    Adipose tissue is a specialized form of connective tissue proper that stores fat.

  • Name the three types of muscle tissue.

    Cardiac muscle tissue, smooth muscle tissue, and skeletal muscle tissue.

  • What are the two main cell types in neural tissue?

    Neurons, which transmit signals, and neuroglia, which support neurons.

  • What does it mean that epithelial tissue is avascular?

    Avascular means epithelial tissue lacks blood vessels and receives nutrients via diffusion from underlying connective tissue.

  • What is the function of the basement membrane in epithelial tissue?

    The basement membrane anchors epithelial tissue to underlying connective tissue and acts as a selective barrier.

  • Describe the apical and basal surfaces of epithelial cells.

    The apical surface faces the body surface or lumen, while the basal surface attaches to the basement membrane.

  • What is the role of fibroblasts in connective tissue proper?

    Fibroblasts are cells that produce fibers and ground substance of the extracellular matrix.

  • What distinguishes dense regular from dense irregular connective tissue?

    Dense regular has parallel collagen fibers for strength in one direction; dense irregular has fibers in multiple directions for multidirectional strength.

  • What type of connective tissue is loose areolar tissue?

    Loose areolar connective tissue is a flexible, loosely arranged tissue that cushions organs and holds fluids.

  • What is the primary function of cardiac muscle tissue?

    Cardiac muscle tissue contracts to pump blood throughout the body and is involuntary and striated.

  • How does smooth muscle tissue differ from skeletal muscle tissue?

    Smooth muscle is involuntary, non-striated, and found in walls of organs; skeletal muscle is voluntary and striated, attached to bones.

  • What is the main function of neurons in neural tissue?

    Neurons transmit electrical signals to communicate information throughout the body.

  • What role do neuroglia play in neural tissue?

    Neuroglia support, protect, and nourish neurons.

  • Which epithelial tissue type is specialized for diffusion and filtration?

    Simple squamous epithelium is thin and flat, ideal for diffusion and filtration.

  • Which epithelial tissue type lines the respiratory tract and has cilia?

    Pseudostratified ciliated columnar epithelium lines the respiratory tract and uses cilia to move mucus.