8 Figure 12.1: Structural classification of joints 4 (Space) 5 (Liquid). 6- -Periosteum 11 iniol zumdar Figure 12.2: A typical synovial joint, sectioned along the frontal plane

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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together. There is no space between the two bones, and abundant collagen fibers provide
of dense, or fibrous, connective tissue that holds the
a tough connection that allows little or no movement. Fibrous joints include the sutures between the
cranial bones, the joints between teeth and their sockets in the jaw, and the distal joint between the
tibia and fibula.
Cartilaginous joints have hyaline cartilage or fibrocartilage between the bones and no space
present. They allow limited movement. For example, the intervertebral discs and the pubic symphysis
are cartilaginous joints.
Synovial joints have a space, called a synovial cavity, between two bones with dense connective
tissue forming a capsule, or articular capsule, around the cavity. The outer layer of the articular
capsule is dense connective tissue, and is known as the fibrous capsule. The inner layer is the thin
synovial membrane, which includes cells that secrete a watery synovial fluid. The fluid lubricates
the articular surfaces of the opposing bones, both of which include a layer of hyaline cartilage
known as the articular cartilage. Synovial joints permit the greatest amount of movement, and
are the most abundant joints in the body. The shoulder, elbow, knee, and interphalangeal joints are
examples of synovial joints.
Identifying joints by structure
You will review the structural classification of joints in this observational exercise.
1. Identify the structural category of the joints in Figure 12.1 as fibrous, cartilaginous,
or synovial.
fibrous joint
1.
2.
3.
4.
5.
6.
1.
2.
3.
2. Using a model of an articulated skeleton or a chart from your lab, identify the fibrous,
cartilaginous, and synovial joints.
7.
8.
9.
3. Label the components of a synovial joint described in the preceding discussion using
Figure 12.2.
10.
11.
212 Visual Anatomy and Physiology I
4.
5.
6.
Transcribed Image Text:together. There is no space between the two bones, and abundant collagen fibers provide of dense, or fibrous, connective tissue that holds the a tough connection that allows little or no movement. Fibrous joints include the sutures between the cranial bones, the joints between teeth and their sockets in the jaw, and the distal joint between the tibia and fibula. Cartilaginous joints have hyaline cartilage or fibrocartilage between the bones and no space present. They allow limited movement. For example, the intervertebral discs and the pubic symphysis are cartilaginous joints. Synovial joints have a space, called a synovial cavity, between two bones with dense connective tissue forming a capsule, or articular capsule, around the cavity. The outer layer of the articular capsule is dense connective tissue, and is known as the fibrous capsule. The inner layer is the thin synovial membrane, which includes cells that secrete a watery synovial fluid. The fluid lubricates the articular surfaces of the opposing bones, both of which include a layer of hyaline cartilage known as the articular cartilage. Synovial joints permit the greatest amount of movement, and are the most abundant joints in the body. The shoulder, elbow, knee, and interphalangeal joints are examples of synovial joints. Identifying joints by structure You will review the structural classification of joints in this observational exercise. 1. Identify the structural category of the joints in Figure 12.1 as fibrous, cartilaginous, or synovial. fibrous joint 1. 2. 3. 4. 5. 6. 1. 2. 3. 2. Using a model of an articulated skeleton or a chart from your lab, identify the fibrous, cartilaginous, and synovial joints. 7. 8. 9. 3. Label the components of a synovial joint described in the preceding discussion using Figure 12.2. 10. 11. 212 Visual Anatomy and Physiology I 4. 5. 6.
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9
6
Figure 12.1: Structural classification of joints
4 (Space)
5 (Liquid)
2
6-
-Periosteum
-3
11
silt weives lliw LOY
Ioivonya 10
iniol suodi
Vony ztrencqmos si lsds
Figure 12.2: A typical synovial joint, sectioned along the frontal plane
Transcribed Image Text:Ⓒbluedoor, LLC 9 6 Figure 12.1: Structural classification of joints 4 (Space) 5 (Liquid) 2 6- -Periosteum -3 11 silt weives lliw LOY Ioivonya 10 iniol suodi Vony ztrencqmos si lsds Figure 12.2: A typical synovial joint, sectioned along the frontal plane
Expert Solution
Step 1: Introduction:

A joint is a physical connection between two or more bones, ossicles, or other hard body parts that helps the skeletal system work as a unit.

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