Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Question
Chapter 21, Problem 11CYU
Summary Introduction
To review:
The layers of embryo from which the thymus, the tonsils, the spleen, and the lymph nodes are derived.
Introduction:
The lymphatic system is associated with the collection and filtration of the lymph and then, draining it into the blood circulation. The structures of the lymphatic system are present throughout the body. Some of the lymphatic structures are developed before birth and some after birth. The lymphatic structures are derived from the embryonic layers.
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Which structure is depicted in the following image?
A) thymus gland
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What is the primary function of the Spleen?
Stem cells responsible for the process of lymphopoiesis are located in the (a) thymus and spleen. (b) lymph nodes. (c) red bone marrow. (d) a, b, and c are correct.
Chapter 21 Solutions
Human Anatomy
Ch. 21 - Prob. 1CYUCh. 21 - A sentinel lymph node is the first lymph node to...Ch. 21 - Fatty lymph, picked up by the lacteals in the...Ch. 21 - Prob. 4CYUCh. 21 - Prob. 5CYUCh. 21 - Prob. 6CYUCh. 21 - Prob. 7CYUCh. 21 - Prob. 8CYUCh. 21 - Prob. 9CYUCh. 21 - Prob. 10CYU
Ch. 21 - Prob. 11CYUCh. 21 - Lymphatic capillaries (a) are open-ended like...Ch. 21 - The basic structural framework of most lymphoid...Ch. 21 - Prob. 3RQCh. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - Prob. 6RQCh. 21 - Which of the following lymphoid organs have a...Ch. 21 - Prob. 8RQCh. 21 - Developmentally, the embryonic lymphatic vessels...Ch. 21 - It sometimes is difficult to distinguish the...Ch. 21 - In some people, the thoracic duct does not receive...Ch. 21 - Prob. 12RQCh. 21 - Prob. 13RQCh. 21 - Prob. 14RQCh. 21 - Prob. 15RQCh. 21 - Prob. 16RQCh. 21 - Prob. 17RQCh. 21 - As George was reading this chapter for the second...Ch. 21 - Prob. 19RQCh. 21 - Prob. 20RQCh. 21 - Prob. 1CRCAQCh. 21 - Prob. 2CRCAQCh. 21 - Prob. 3CRCAQCh. 21 - Mrs. Roselli has undergone a left radical...Ch. 21 - Prob. 5CRCAQCh. 21 - Simi realized she was very ill. During a recent...
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Similar questions
- Which cells are termed as NK cells?arrow_forwardStem cells responsible for the process of lymphocytopoiesis are located in the(a) thymus and spleen. (b) lymph nodes. (c) red bone marrow. (d) a, b, and c are correct.arrow_forwardLymphoid stem cells that can form all types of lymphocytes occur in the:(a) bloodstream. (b) thymus. (c) red bone marrow. (d) spleen.arrow_forward
- Lymphatic nodules... A) contain loose connective tissue and lymphocytes B) may be found in parts of the digestive and respiratory systems C) contain a central region called the germinal center where lymphocytes are dividing D) form the white pulp of the spleen E) all of the above.arrow_forwardPhagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) diapedesis. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forwardPhagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) emigration. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forward
- How do T cells reach the CNS of healthy individuals?arrow_forwardA person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this condition.(b) What common term is given to the substances responsible for this condition?(c) Name the cells and the chemical substances released which cause such reactions.arrow_forwardWhich of the following would be secreted by the cells forming the light center of this lymphatic follicle? (A) antibodies (B) perforin and granzymes (C) interferon (D) complement (E) interleukin - 1arrow_forward
- In a normal individual, a T cell that interacts with a self-antigen in the thymus will more than likely undergo what process (which answer is best)? A) apoptosis B) release granules C) activation D) extravasation E) anergyarrow_forwardDiGeorge syndrome is the result of the absence or immaturity of the thymus gland at birth. This would result in a deficiency in what cell type? O 1) mast cells O 2) T cells O 3) B cells 4) natural killer cellsarrow_forwardT cells and B cells can be activated only by, (a) pathogenic microorganisms.(b) interleukins, interferons, and colony-stimulating factors. (c) cells infected with viruses, bacterial cells, or cancer cells. (d) exposure to a specific antigen bound to a MHC protein on a plasma membrane.arrow_forward
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