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Cell Structure and Membrane Transport in Anatomy & Physiology

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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  • Inclusions

    Nonliving materials stored inside a cell.

  • Intracellular fluid

    Fluid located inside the cells.

  • Extracellular fluid

    Fluid located outside the cells.

  • Interstitial fluid

    Fluid that surrounds the cells in tissues.

  • Plasma membrane

    The outer boundary of a cell that controls what enters and leaves.

  • Fluid mosaic model

    The concept that the cell membrane is flexible and made of different moving molecules.

  • Glycocalyx

    A carbohydrate coating on the outside of the cell membrane that protects and identifies the cell.

  • Glycoprotein

    A protein with a carbohydrate attached to it.

  • Tight junctions

    Connections that seal cells together and prevent substances from leaking between them.

  • Desmosome

    A strong connection that holds cells together, like rivets.

  • Gap junction

    A connection that lets small substances pass directly between cells.

  • Cilia

    Short, hair-like structures that move substances across a cell's surface.

  • Flagella

    Long, whip-like structures that help a cell move.

  • Microvilli

    Tiny projections that increase a cell's surface area for absorption.

  • Passive process

    Movement across a membrane that does not require ATP.

  • Diffusion

    Movement of particles from high concentration to low concentration.

  • Simple diffusion

    Movement directly through the cell membrane from high to low concentration.

  • Facilitated diffusion

    Movement from high to low concentration through a membrane protein.

  • Isotonic solution

    A solution with about the same solute concentration as the cell.

  • Hypertonic solution

    A solution with more solute outside the cell, causing water to leave the cell.

  • Hypotonic solution

    A solution with less solute outside the cell, causing water to enter the cell.

  • Filtration

    Movement of water and small substances through a membrane because of pressure.

  • Sodium-potassium pump

    A protein that uses ATP to move 3 sodium ions out and 2 potassium ions in the cell.