Cellular Transport

Definition

Cellular transport refers to the movement of substances across cell membranes, essential for maintaining cellular functions and homeostasis.

Scientific / Technical Definition

Cellular transport is the process by which cells move molecules, ions, and nutrients across their membranes to facilitate various essential functions. This includes processes such as diffusion, osmosis, active transport, and endocytosis which are critical for nutrient uptake, waste removal, and hydration.

Benefits

• Maintains cellular hydration and nutrient balance
• Supports efficient energy production at the cellular level
• Ensures proper waste elimination from cells
• Facilitates cellular communication and function

Examples

• Osmosis of water into cells for hydration
• Uptake of glucose through cell membranes for energy
• Transport of ions like sodium and potassium for nerve function

Additional Information

• Importance: This process is crucial for maintaining life, as it allows cells to obtain necessary nutrients, regulate internal conditions, and communicate effectively.

Related Terms

• Osmosis
• Diffusion
• Active Transport
• Cell Membrane

References

• Cell Transport and Homeostasis
• The Cell: A Molecular Approach