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 6RQ
Summary Introduction
To determine:
The lymphocytes that develop immunocompetence in the thymus.
Introduction:
The immune system of the body contains a variety of cells that are collectively known as the immune cells. There are various organs, where the development and maturation of the immune cells occur. The lymphocytes are one of the types of immune cells that are present in the body.
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T lymphocytes are characteristically found in all of the following locations EXCEPT
Choose one from following:
(A) germinal centers
(B) medullary cords
(C) thymus gland
(D) periphery of lymphatic follicles
Lymphocytes that develop immunocompetence in the thymus are (a) B lymphocytes, (b) T lymphocytes.
It sometimes is difficult to distinguish the different lymphoid organs from one another in histological sections. How would you tell the thymus from a lymph node? (a) Only the thymus has a cortex and medulla; (b) lymphocytes are far less densely packed in the thymus than in the lymph node; (c) the thymus contains no blood vessels; (d) only the thymus has distinct lobules and thymic corpuscles.
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
- Lymphocytes responsible for providing cell-mediated immunity are called(a) macrophages. (b) B cells. (c) plasma cells. (d) cytotoxic T cells.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_forwardWhich of the following lymphoid organs have a cortex and a medulla? (More than one choice is correct.) (a) lymph nodes, (b) spleen, (c) thymus, (d) aggregated lymphoid nodules, (e) tonsils.arrow_forward
- Developmentally, the embryonic lymphatic vessels are most closely associated with the (a) veins, (b) arteries, (c) nerves, (d) thymus.arrow_forwardChoose the combination of answers that most accurately completes the statement. Monocytes................ are leukocytes that develop into................... . a. granular, phagocytes c. agranular, macrophages b. agranular, mast cells d. granular, T cellsarrow_forwardFor each of the following situations, indicate which type(s) of lymphocyte(s), if any, would be expected to proliferate rapidly in lymph nodes and where in the nodes they would do so. Nomal mouse with a viral infection (a) (b) (c) Neonatally thymectomized mouse immunized with a protein antigen Neonatally thymectomized mouse immunized with the thymus-independent antigen bacterial lipopolysaccharide (LPS), which does not require the aid of THcells to activate B cells.arrow_forward
- T 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_forwardThe basic structural framework of most lymphoid organs consists of (a) areolar connective tissue, (b) hematopoietic tissue, (c) reticular connective tissue, (d) adipose tissue.arrow_forwardThe largest collection of lymphoid tissue in the body is contained in the: (a) adult spleen. (b) adult thymus. (c) bone marrow. (d) tonsils.arrow_forward
- Phagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) diapedesis. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forwardIdentify the specific type of immune cell(s) within each of these structures: (a) connective tissue, (b) skin, (c) organs, and (d) secondary lymphatic organs.arrow_forwardLeukemic lymphoma is when Question 3 options: A) Lymphoma cells have migrated into the peripheral blood B) Reed-Sternberg cells are present C) Burkitt's lymphoma is diagnosed D) non-Hodgkin lymphoma is diagnosedarrow_forward
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