Skin And Fascia Flashcards
What is the deep fascia composed of?
A dense and regular collagen fibers
Where is the deep fascia well defined and very strong and thick? + absent and abundant
In the limbs and in the palm and sole
Absent : face and anterior abdominal wall
What are the functions of the deep fascia?
1- Formation of broad sheets around groups of body muscles
2- Formation of intermuscular septa and interosseous membranes
3- Formation of retinacula
4- Formation of palmar aponeurosis and plantar aponeurosis
5- Formation of fibrous sheaths around big vessels
What is the clinical importance of deep fascia?
It helps explain the path taken by infection when it spreads
Accumulation of fluids in superficial fascia leads to edema
Good mobilization of skin after skin incision occurs at the plane of superficial fascia
Surgical incision along the skin crease heals with minimal scar
What are the functions of superficial fascia?
1) prevents heat loss from the body (thermal insulator ) mammary glands
2) softens the surface of the body
3) facilitates the movement of the skin
4) medium to conduct the nerves reseller and lymphatic
5) contains the skin muscles
6) contains special types of glands like
What is the structure of superficial fascia?
Layer of loose CT
Allows the skin to move more
Where is superficial fascia abundant and absent?
Abundant: 1) gluteal region 2) anterior abdominal wall 3) breast
Absents 1) eyelids 2) penis 3) scrotum
What is the structure of deep fascia?
Non elastic membrane formed of compact and regular collagen fibers