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Lecture 7 - Distribution and Storage of Toxicants

See Lecture Schedulefor Delivery Date

Learning Objectives

  1. Identify the way toxicants are distributed by the body.
  2. Recognize the relationship between a specific route of absorption and the related pathways for distribution of a toxicant.
  3. Describe the factors affecting distribution of toxicants to tissues.
  4. Define volume of distribution.
  5. List the sites for toxicant storage.
  6. Discuss how storage influences toxicant half-life.
  7. Perform an LD50 experiment.

LECTURE MATERIALS

Slides

PDF Notes

LECTURE ACTIVITIES

Homework

Discussion

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Advance Reading

  1. Richards 2nd ed., pp 145-151
  2. NLM Toxicology Tutor Distribution
  3. Case Study: Aldicarb in Watermelons
  4. IEUBK

Resources

Keywords

  • Adipose tissues
  • Albumin
  • Arterial vessels
  • Blood flow
  • Blood flow/ mass ratio
  • Blood plasma
  • Blood-brain barrier
  • Capillaries
  • Cardiac output
  • Distribution
  • Erythrocytes
  • Heart
  • Interstitial fluid
  • Intracellular fluid
  • Leukocytes
  • Lymph
  • Lymph capillaries
  • Lymph nodes
  • Lymphatic system
  • Lymphocytes
  • Lymphoid tissue
  • Placental barrier
  • Plasma protein
  • Platelets
  • Portal vein
  • Storage
  • Venous vessels
  • Volume of distribution (VD)

Suggested Reading

    IEUBK background documents