GENERAL HISTOLOGY

CONNECTIVE TISSUE GLAND

CONNECTIVE TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This type of cartilage provides the framework of the external ears and parts of the larynx.
A
Hyaline
B
Elastic
C
Fibro-
D
All of the above
Explanation: 

Detailed explanation-1: -It provides support and maintains shape of, e.g. the pinna or lobe of the ear, the epiglottis and blood vessel walls. Example : the auricle of the outer ear .

Detailed explanation-2: -Elastic cartilage provides support with moderate elasticity. It is found mainly in the larynx, the external part of the ear (pinna), and the tube leading from the middle part of the ear to the throat (eustachian or auditory tube).

Detailed explanation-3: -Elastic cartilage provides strength, and elasticity, and maintains the shape of certain structure such as the external ear. It has a perichondrium. This is a diagram of elastic cartilage.

Detailed explanation-4: -The epiglottis is an elastic cartilaginous leaf-shaped flap covering the opening of the larynx. It is attached to the internal surface of the thyroid cartilage and projects over the pharynx, allowing the passage of air into the larynx, trachea, and lungs.

Detailed explanation-5: -Hyaline cartilage is the glass-like (hyaline) and translucent cartilage found on many joint surfaces. It is also most commonly found in the ribs, nose, larynx, and trachea.

There is 1 question to complete.