Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

17. The Blood

Introduction To Blood

Anatomy & Physiology

17. The Blood

Introduction To Blood

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2:58 minutes

Problem 16

Textbook Question

Name the formed elements that arise from myeloid stem cells. Name those arising from lymphoid stem cells.

Verified step by step guidance

Understand that hematopoiesis is the process of blood cell formation, and it occurs in the bone marrow. The two main types of stem cells involved are myeloid stem cells and lymphoid stem cells.

Identify the formed elements that arise from myeloid stem cells. These include red blood cells (erythrocytes), platelets (thrombocytes), and several types of white blood cells (leukocytes) such as neutrophils, eosinophils, basophils, and monocytes.

Recognize that lymphoid stem cells give rise to lymphocytes, which are a specific type of white blood cell. The main types of lymphocytes are B cells, T cells, and natural killer (NK) cells.

Differentiate between the roles of these formed elements: Myeloid-derived cells are involved in oxygen transport (erythrocytes), blood clotting (platelets), and innate immune responses (neutrophils, eosinophils, basophils, and monocytes). Lymphoid-derived cells are primarily involved in adaptive immunity (B and T cells) and immune surveillance (NK cells).

Summarize the distinction: Myeloid stem cells produce a broader range of blood cells, including both red and white blood cells, while lymphoid stem cells are specifically responsible for producing lymphocytes, which are key players in the immune system.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Myeloid Stem Cells

Myeloid stem cells are a type of hematopoietic stem cell that give rise to various blood cells, including red blood cells, platelets, and certain types of white blood cells such as neutrophils, eosinophils, basophils, and monocytes. These cells are crucial for oxygen transport, blood clotting, and immune responses.

Lymphoid Stem Cells

Lymphoid stem cells are another category of hematopoietic stem cells that differentiate primarily into lymphocytes, which are essential components of the adaptive immune system. This includes T cells, B cells, and natural killer (NK) cells, all of which play vital roles in recognizing and responding to pathogens.

Hematopoiesis

Hematopoiesis is the process of blood cell formation that occurs in the bone marrow. It involves the differentiation of stem cells into various types of blood cells, ensuring a balanced production of myeloid and lymphoid lineages to maintain proper immune function and overall health.