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Ch. 22 The Lymphatic System and Immunity
Martini - Fundamentals of Anatomy and Physiology 12th Edition
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy and PhysiologyISBN: 9780137854011Not the one you use?Change textbook
All textbooksMartini, Nath, Bartholomew 12th EditionCh. 22 The Lymphatic System and ImmunityProblem 3
Chapter 22, Problem 3

Anatomically, lymphatic vessels resemble
(a) Elastic arteries
(b) Muscular arteries
(c) Arterioles
(d) Medium veins
(e) The venae cavae

Verified step by step guidance
1
Step 1: Understand the structure of lymphatic vessels. Lymphatic vessels have thin walls and contain valves to prevent backflow of lymph, similar to certain types of blood vessels.
Step 2: Recall the characteristics of elastic arteries, muscular arteries, arterioles, medium veins, and the venae cavae. Elastic arteries have thick walls with lots of elastic fibers, muscular arteries have thick muscular walls, arterioles are small arteries with muscular walls, medium veins have thinner walls and valves, and the venae cavae are large veins with thin walls.
Step 3: Compare the presence of valves and wall thickness. Lymphatic vessels have valves like veins to ensure one-way flow, and their walls are thinner than arteries but similar to veins.
Step 4: Identify which blood vessels lymphatic vessels most closely resemble anatomically based on wall structure and valve presence. Medium veins have thin walls and valves, making them the closest match.
Step 5: Conclude that anatomically, lymphatic vessels resemble medium veins due to their thin walls and presence of valves.

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Key Concepts

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

Structure of Lymphatic Vessels

Lymphatic vessels are thin-walled vessels that transport lymph fluid. They have valves to prevent backflow and a structure similar to veins, with three layers but thinner walls and less smooth muscle compared to arteries.
Recommended video:
7:02
Types of Lymphatic Vessels

Differences Between Arteries and Veins

Arteries have thick, muscular, and elastic walls to handle high pressure, while veins have thinner walls and valves to assist blood return at lower pressure. Understanding these differences helps compare lymphatic vessels to blood vessels.
Recommended video:
7:42
Arteries vs. Veins

Function and Anatomy of Medium Veins

Medium veins are blood vessels with valves and thin walls that return blood to the heart. Their structure closely resembles lymphatic vessels, making them a key comparison point in anatomy.
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Introduction to Veins
Related Practice
Textbook Question

The major histocompatibility complex (MHC)

(a) Is responsible for forming lymphocytes

(b) Produces antibodies in lymph glands

(c) Is a group of genes that codes for human leukocyte antigens

(d) Is a membrane protein that can recognize foreign antigens

(e) Is the antigen found on bacteria that stimulates an immune response

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Textbook Question

Identify the structures of the lymphatic system in the following diagram.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

i. ___

j. ___

k. ___

l. ___

m. ___

n. ___

o. ___

p. ___

q. ___

Textbook Question

The specificity of an antibody is determined by the

(a) Fixed segment

(b) Antigenic determinants

(c) Variable region

(d) Size of the antibody

(e) Antibody class

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Textbook Question

Red blood cells that are damaged or defective are removed from the bloodstream by the

(a) Thymus

(b) Lymph nodes

(c) Spleen

(d) Tonsils

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Textbook Question

Lymph from the right arm, the right half of the head, and the right chest is received by the

(a) Cisterna chyli

(b) Right lymphatic duct

(c) Right thoracic duct

(d) Aorta

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