Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version
Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version
14th Edition
ISBN: 9781259295645
Author: Terry R. Martin
Publisher: McGraw-Hill Education
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Chapter 42, Problem F42.1A

Chapter 42, Problem F42.1A, FIGURE 42.1 Label the diagram by placing the correct numbers in the spaces provided.

FIGURE 42.1 Label the diagram by placing the correct numbers in the spaces provided.

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Summary Introduction

To label:

The diagram of showing the lymph nodes, ducts and vessels in the ventral view of the human body.

Introduction:

Lymph is a clear, yellowish, coagulable and slightly alkaline fluid. It flows throughout the lymphatic system. It contains white blood cells that result from the body tissues and transported to the bloodstream through the lymphatic vessels. Lymph is produced due to the accumulation of the interstitial fluid through minute lymph capillaries that are present all over the body.

Explanation of Solution

The lymphatic system is comprised of tissues and organs which produce mature and store the macrophages and lymphocytes. It plays a role in the body defense system. This system carries lymph in a network of capillaries.

The lymph node is a small bean-shaped structure. It is in continuation of the lymphatic vessels. It is a part of the immune system of the body. Lymph nodes help in the filtration of substances present in the lymphatic fluid. Thus, these nodes have lymphocytes or white blood cells which aids the body to fight against the disease and infection. There are about hundreds of lymph nodes present throughout the body.

  Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version, Chapter 42, Problem F42.1A

1. Right lymphatic duct:

It is a short vessel which receives the lymph from the right side of the body (mainly head, thorax and neck, right side of the heart, the right lung, right arm, and convex liver surface. This duct discharges at its junction into the right subclavian vein with the help of right internal jugular vein.

2. Inguinal lymph nodes:

These are the lymph nodes present in the human groin. These are in the femoral triangle of the inguinal region. These are assembled into the deep and superficial lymph nodes.

3. Cervical lymph nodes:

These are simply small lymph nodes which are present in the neck region. These are present all over the body. These play a significant role in the immune system.

4. The jugular vein:

It is a significant body part as it drains the deoxygenated blood. It transports the blood from the neck and the head.

5. Axillary lymph node:

It is a lymph node present in the armpit region which drains lymph from the breast and adjacent regions.

6. Thoracic duct:

It is the chief vessel of the lymphatic system. It passes upwards in front of the spine. It drains the fluidnear the neck base into the left innominate vein.

Conclusion

The lymph node is a small bean-shaped structure. It is in continuation of the lymphatic vessels. It is a part of the immune system of the body. Lymph nodes help in the filtration of substances present in the lymphatic fluid.

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Chapter 42 Solutions

Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version

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