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Ch. 8 Joints
Hoehn - Marieb Human Anatomy & Physiology, 12th edition
Hoehn, Haynes, Abbott12th EditionMarieb Human Anatomy & PhysiologyISBN: 9780138242732Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoHoehn, Haynes, Abbott 12th EditionCh. 8 JointsProblema 3
Capitolo 8, Problema 3

Anatomical characteristics shared by all synovial joints include all except:
a. Articular cartilage
b. A joint cavity
c. An articular capsule
d. Presence of fibrocartilage

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1
Step 1: Understand what synovial joints are. Synovial joints are the most common and movable type of joint in the body, characterized by specific anatomical features that allow for smooth movement between bones.
Step 2: Identify the key anatomical characteristics shared by all synovial joints. These typically include: articular cartilage covering the ends of bones, a joint cavity filled with synovial fluid, and an articular capsule that encloses the joint cavity.
Step 3: Review each option in the question to determine if it is a universal feature of synovial joints. Options a (articular cartilage), b (joint cavity), and c (articular capsule) are known universal features.
Step 4: Consider option d (presence of fibrocartilage). Fibrocartilage is found in some synovial joints as part of structures like menisci or articular discs, but it is not present in all synovial joints.
Step 5: Conclude that the correct answer is the option that is not a shared characteristic of all synovial joints, which is the presence of fibrocartilage.

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Synovial Joint Structure

Synovial joints are characterized by a fluid-filled joint cavity that allows free movement between bones. Key structural features include articular cartilage covering bone ends, a joint cavity containing synovial fluid, and an articular capsule enclosing the joint.
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Synovial Joints

Articular Cartilage

Articular cartilage is a smooth, hyaline cartilage layer that covers the ends of bones in synovial joints. It reduces friction and absorbs shock during movement, facilitating smooth articulation between bones.
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Hyaline Cartilage

Fibrocartilage in Joints

Fibrocartilage is a tough, dense cartilage found in certain joints like the intervertebral discs and menisci, but it is not a universal feature of all synovial joints. Its presence varies depending on the joint type and function.
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Fibrocartilage
Pratica correlata
Domanda del libro di testo

Match the key terms to the appropriate descriptions.

Key:

a. fibrous joints

b. cartilaginous joints

c. synovial joints 

_____    (1) exhibit a joint cavity 

_____    (2) types are sutures and syndesmoses 

_____    (3) bones connected by collagen fibers 

_____    (4) types include synchondroses and symphyses 

_____    (5) all are diarthrotic 

_____    (6) many are amphiarthrotic 

_____    (7) bones connected by a disc of hyaline cartilage or fibrocartilage 

_____    (8) nearly all are synarthrotic 

_____    (9) shoulder, hip, jaw, and elbow joints

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Domanda del libro di testo

Factors that influence the stability of a synovial joint include

a. Shape of articular surfaces

b. Presence of strong reinforcing ligaments

c. Tone of surrounding muscles

d. All of these

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Domanda del libro di testo

Define joint.

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Domanda del libro di testo

The description 'Articular surfaces deep and secure; capsule heavily reinforced by ligaments and muscle tendons; extremely stable joint' best describes

a. The elbow joint

b. The hip joint

c. The knee joint

d. The shoulder joint

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