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31 Cards in this Set

  • Front
  • Back
Connective tissues are made up of living cells and surrounded by non living non cellular __________.
matrix
What are the three types of cartilage?
hyaline, elastic, and fibrocartilages.
Where can hyaline cartilage be found?
at end of the nose and weaar surfaces of joints
Where can elastic cartilage be found?
External ear
Where can fibrocartilages be found?
In between vertebrae
___________ are cartilage cells.
Chondrocytes
___________ are living bone cells.
Osteocytes
Found in the bone, Haversian canels are made up of ___________ and ___________.
blood vessels and nerves
In bone, ______________ connects Haversian canals.
volkman canal
In bone, ___________ transport 02, nutriets from Haversian canal to lacuna.
canoculi
In bone, matrix is made up of salts ______ and _______-.
Calcium, Phosphorous
Why does cartilage heal slow?
Poor blood supply
_____________ is known as growth hormone.
Somatotropin
How does cartilage grow? (4 steps)
Brain releases somatotropin. Somatotropin stimulates chrondocytes to produce matrix. New matrix is deposited under perichondrium. Cartilage gets larger.
Growth zones in the bone are called _________ ___________-.
epiphyseal plates
How does bone grow? (3 steps)
Brain release somatotropin. Somatotropin stimulates epiphyseal plate to deposit new matrix on either side. Length of bone increases.
As soon as ____ _____________ kick in growth plates disappear.
sex hormones
How does the bone grow in diameter? (3 steps)
Brain releases somtotropin. Somatotropin stimulates osteocytes under periosteum to produce matrix which is deposited under the periosteum.Somatotropin stimulates osteoclasts lining marrow cavity to remove matrix to allow marrow cavity to increase in diameter.
Name the six major types of joints.
Hinge, ball & socket, immovable joint, partially movable, gliding, and pivotal.
Where can hinge joints be found?
fingers, elbows, knees, mandible
Where can ball and socket joints be found?
humerus and scapula, femure and pelvis
Where cn immovable joints be found?
bones of the skull; male pelvis bone
Where can partially movable joints be found?
sacroilac, female pelvis bone
Where can gliding joints be found?
In the bones of the wrist (carpals)
Where can pivot joints be found?
atlas & axis
The 1st cervical vertebra is the _______.
atlas
The 2nd cervical vertebra is the _______.
axis
Name the five skeletal system functions.
Support, protection, attachment sites for muscles, acts as reservoir for calcium, and production of blood cells by morrow.
________ is soap bubble shaped.
Lacuna
Matrix is made up of ________ and ________.
collagen; elastin
Epiphyseal plates are made up of ___________.
cartilage