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Questions and Answers
Which type of cartilage is primarily involved in the formation of temporary models of bones during embryonic life?
Which type of cartilage is primarily involved in the formation of temporary models of bones during embryonic life?
Where is white fibrocartilage most commonly found?
Where is white fibrocartilage most commonly found?
Which type of cartilage is associated with the Eustachian tube?
Which type of cartilage is associated with the Eustachian tube?
Which statement about ossification in old age is true?
Which statement about ossification in old age is true?
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What is NOT a function of the skeleton?
What is NOT a function of the skeleton?
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Which bones are classified as part of the axial skeleton?
Which bones are classified as part of the axial skeleton?
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The type of cartilage that covers the bony ends in articular areas is primarily:
The type of cartilage that covers the bony ends in articular areas is primarily:
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Which of the following is NOT included in the appendicular skeleton?
Which of the following is NOT included in the appendicular skeleton?
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Which of the following bones undergoes intra-membranous ossification?
Which of the following bones undergoes intra-membranous ossification?
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What is true about intra-cartilaginous ossification?
What is true about intra-cartilaginous ossification?
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Which type of bone is characterized as having a irregular shape?
Which type of bone is characterized as having a irregular shape?
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What is the role of the epiphyseal plate in bone growth?
What is the role of the epiphyseal plate in bone growth?
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What is one function of pneumatic bones?
What is one function of pneumatic bones?
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Which type of bone aids in reducing friction between tendons and underlying bones?
Which type of bone aids in reducing friction between tendons and underlying bones?
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What effect does the periosteum have on long bone growth?
What effect does the periosteum have on long bone growth?
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Which of the following is NOT a function of paranasal sinuses?
Which of the following is NOT a function of paranasal sinuses?
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What characterizes fibrous joints?
What characterizes fibrous joints?
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Which type of joint allows limited movement and is characterized by a disc of fibro-cartilage?
Which type of joint allows limited movement and is characterized by a disc of fibro-cartilage?
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What structure is responsible for producing synovial fluid in synovial joints?
What structure is responsible for producing synovial fluid in synovial joints?
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What is the main characteristic of cartilaginous joints?
What is the main characteristic of cartilaginous joints?
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Which type of joint connects the roots of teeth to their sockets?
Which type of joint connects the roots of teeth to their sockets?
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What is NOT a characteristic of synovial joints?
What is NOT a characteristic of synovial joints?
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Which of the following joints allows for significant movement and has a well-defined joint cavity?
Which of the following joints allows for significant movement and has a well-defined joint cavity?
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What type of cartilage connects the articulating bones in primary cartilaginous joints?
What type of cartilage connects the articulating bones in primary cartilaginous joints?
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Study Notes
Cartilage
- Hyaline cartilage is the most common type of cartilage, found in the larynx, trachea, epiphyseal plates, articular cartilage, costal cartilages, and respiratory cartilages.
- White fibrocartilage is found in intervertebral discs and symphysis pubis.
- Yellow elastic fibrocartilage is found in the tip of the nose, auricle, epiglottis, and Eustachian tube.
The Skeletal System
- Functions of the Skeleton: Provides shape, protects vital organs, facilitates muscle attachment, enables movement, transmits weight, produces blood cells, and stores calcium salts.
- Classification of Bones: Divided according to location (axial and appendicular), ossification process (intramembranous and intracartilaginous), and shape (long, short, flat, irregular, sesamoid).
- Structure of a Long Bone: Composed of two epiphyses (ends), a diaphysis (shaft), a metaphysis (area near the epiphysis), and a periosteum (outer membrane).
- Pneumatic Bones Are bones containing air sinuses, found in the skull surrounding the nose, such as the frontal and maxillary bones.
Joints
- Fibrous Joints: Bones connected by fibrous tissue. No joint cavity. No movement allowed.
- Cartilaginous Joints: Bones connected by cartilage. No joint cavity. Limited movement allowed. Divided into primary (synchondrosis) and secondary (symphysis) cartilaginous joints.
- Synovial Joints: Bones connected by a fibrous capsule, lined with synovial membrane. Contains synovial fluid and allows free movement.
Intracapsular Structures:
- Articular Disc: A disc of fibrocartilage that divides the joint cavity into two compartments.
- Menisci: Semi-lunar plates of fibrocartilage found in specific joints, like the knee.
- Ligaments: Reinforce and stabilize the joint capsule internally.
- Tendon: A strong fibrous cord that attaches muscle to bone, can be found inside certain joints.
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Description
Test your knowledge on the skeletal system and various types of cartilage. This quiz covers functions of the skeleton, classification of bones, and the structure of long bones. Explore the vital roles cartilage plays in the body as well.
