Lesson 4.1 Flashcards
Which are the different type of cartilage?
Hyaline
Elastic
Fibrocartilage
What is the structure of cartilage?
Chondrocyte
Ground substance
Perichondrium
Why cartilage has strengh
Due to collagen
Why cartilage has elasticity?
Due to elastic fibres
Why cartilage has flexibility
Due to chondroitin sulfate
Cartilage is formed by what
Dense network of collagen
Elastic fibers firmly embedded in chondroitin sulphate
Chondrocyte are very commun true or false
False rare
What type of tissue cover the perichondrium?
Dense irregular connective tisse( vascularized and innervated)
What is lacunae
Spaces where chondrocyte are
How is provided nutrition in cartilage?
Is provided by perichondrium
Do we find perichondrium everywhere?
No not in fibrocartilage, articular cartilage and epiphyseal discs
A cover of dense irregular connective tissue vascularized and innervated on the surface of cartilage is..
Perichondrium
Where is situated the fibrous perichondrium
Outer layer
Where is situated the chondrogenic perichondrium
Inner layer
The inner layer of the perichondrium is the
Chondrogenic perichondrium
Which cell form the chondrogenic perichondrium
Chondroblasts and chondrocytes
Which cartilage don’t have perichondrium
Articular cartilage and fibrocartilage
How articular cartilage obtain nutrients?
From the synovial fluid
Nutrient supply in the cartilage depend on what
Gaseous metabolites and small molecules from the perichondrium through the ground substance
Which are the type of cartilage tissue?
Hyaline cartilage
Elastic
Fibrocartilage
Did hyaline cartilage present perichondrium?
Yes
Did hyaline cartilage present perichondrium everywhere?
No don’t have perichondrium in the articular cartilage and epiphyseal plates
Which are the most abundant cartilage?
Hyaline a
Chondrocytes sit in space called
Lacunae
Which are the weakest type of cartilage
Hyaline
Hyaline cartilage repair very fast? True or false
False super slow because no blood vessels or nerves
What is the role of hyaline cartilage
Flexibility support resilient and shock absorbing
Where do we find hyaline cartilage
Articular surface of long bones so:
Nose
Larynx trachea
Bronchi bronchioles
Central ends of ribs
Skeleton of the embryo
Larynx is made of hyaline cartilage true or false?
True
Which type of cartilage has a high amount of cell compared with others?
Elastic cartilage
Elastic cartilage can convert into bone true or false
False
Do we have perichondrium is elastic cartilage yes or no
Yes
Where do we have elastic cartilage ?
Eustachian tube
Ear
Vocal cartilage
What is the function of elastic cartilage
Support and form elastic
Which type of cartilage permit the maintain of shape of organs after deformation ?
Elastic cartilage
What is the function of fibrocartilage
Provide strength
Which are the strongest type of cartilage
Fibrocartilage
Where do we find fibrocartilage
Intervertebral disc
Meniscus
Temporomandibular joint
Did fibrocartilage had perichondrium
No
Fibrocartilage don’t have lot of layers yes or no?
No fibrocartilage has multiple organized layers of collagen
How can we recognize fibrocartilage ?
Thank to hematoxylin and eosin stain
What is chondrogenesis
The process of cartilage development begin when chondroprogenitor mesenchymal cells cluster together to form a dense mass of rounded cells
Where cartilage originates?
From the mesenchyme during chondrogenesis
Repair and growth of cartilage is a fast process true or false
False slow process because avascular
How many type of growth of the cartilage do we have?
2:
Interstitial growth
Appositional growth
Appositional growth is
New cartilage on the surface of a preexisting cartilage
Interstitial growth is
New cartilage inside preexisting cartilage
Which type of growth continue during adolescence
Appositional growth
Which type of growth continue during childhood and adolescence ?
Interstitial growth
What is lacunae with 2-4 cells?
Isogenous groups
Cartilage has a mechanical structural and bone growth function true or false
True
Which type of tissue the fibrous external fibroblast layers synthesize
Collagenous irregular dense connective tissue