Activity 5-2: Cartilages of the Skeleton
Cartilaginous regions of the skeleton have a wide distribution in adults.
What are the 7 important skeletal cartilages?
1. Articular cartilages
2. Costal cartilages
3. Laryngeal cartilages
4. Tracheal and bronchial cartilages
5. Nasal cartilages
6. Intervertebral disc cartilages
7. Cartilage in the external ear
The articular cartilages cover what?
Bone ends at moveable joints
The costal cartilages connect what to what?
They connect the ribs to the sternum.
The laryngeal cartilages construct what?
The tracheal and bronchial cartilages reinforce what of the which body system?
They reinforce other passageways of the respiratory system.
The nasal cartilages support what body feature?
Support the external nose
Function of the intervertebral disc cartilages?
Separate and cushion vertebrae bones.
The external ear cartilage provides what to the external ear?
Support the external ear.
Cartilage tissues are distinguished by what 2 particular features?
1. Have no nerves
2. Have very few blood vessels
Each cartilage is specifically surrounded by what?
The perichondrium is composed of what type of tissue?
dense irregular connective tissue
The perichondrium resist what and allow cartilage to do what 2 things?
1. Resist distortion under pressure.
2. Cartilage growth
3. Cartilage repair
The skeletal cartilages have representatives from what 3 cartilage tissue types?
Most skeletal cartilages are composed of what type of cartilage?
Hyaline cartilage provides what 2 things?
How can you envision elastic cartilage in regards to hyaline cartilage?
Like hyaline cartilage but with more elastic fibers.
Elastic cartilage provides what and tolerates what?
1. Provide flexibility
2. Tolerates repeated bending
Which is more flexible, elastic or hyaline cartilage?
Elastic cartilage make up which 2 parts of the body only?
1. external ear
Fibrocartilage provide what and withstands what?
1. Provide tensile strength
2. Withstand heavy compression
Fibrocartilage is found in which 2 specific areas of the body?
1. Intervetebral discs
2. Knee joints
Name the missing features.