1. The Skeletal System

2. Video: Affix Meaning Acetabul vinegar cup Crist Crest ax- Axis fov-
Affix
Meaning
Acetabul
vinegar cup
Crist
Crest
ax-
Axis
fov-
pit
-blast
Budding
glen-
joint socket
carp-
Wrist
hema-
blood
-clast
Break
inter-
among, between
condyl-
Knob
intra-
Inside, within
corac-
a crow's beak
meat-
passage
cribr-
sieve
odont-
tooth
poie-
make, produce

3. Functions of Bones 1.Support Form the internal framework of the body
Ribcage supports the thoracic wall
Legs support the torso

4. Bones protect soft body organs The Skull shields the brain
Functions of Bones - continued
2. Protection
Bones protect soft body organs
The Skull shields the brain
The Ribcage and shoulder girdle protects the heart and lungs

5. Skeletal muscle attach to bones by tendons
Functions of Bones - continued
3. Movement
Skeletal muscle attach to bones by tendons
The skeletal muscles use the bones as levers to produce locomotion

6. The internal cavities of bone store fat
Functions of Bones - continued
4. Storage
The internal cavities of bone store fat
The matrix of bone tissue is a storage medium for minerals
They are found in the form of inorganic salts - two primary minerals:
Calcium
Phosphorus

7. Certain bones have marrow cavities which contain red marrow
Functions of Bones - continued
5. Blood Formation
Certain bones have marrow cavities which contain red marrow
red marrow is the site of hematopoiesis

8. Classification of Bones

9. Types of bone tissue
Compact
Spongy

10. Spongy – no video available
Types of bone tissue
Compact
Spongy – no video available

11. Classification of bone based on structure
Long
Short
Flat
Irregular

13. Structure of a long bone
Diaphysis is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow ane adipose tissue (fat).
Periosteum -is a membrane that lines the outer surface of all bones, except at the joints of long bones.
Endosteum lines the inner surface of all bones

15. Perforating Fibers , also called Sharpey's fibers - are a matrix of connective tissue consisting of strong collagenous fibers connecting periosteum to bone.
A good example is the attachment of the rotator cuff muscles to the blade of the scapula.

16. Medullary Cavity –
is the central cavity of bone shafts where red (and/or yellow) bone marrow is stored;
Aka the marrow cavity. Located in the main shaft (cortical bone) of a long bone (diaphysis) (consisting mostly of compact bone), the medullary cavity has walls composed spongy bone (cancellous bone) and is lined with a thin, vascular membrane (endosteum)

18. Red marrow is found in the interior of bones.
Red blood cells are produced in the heads of long bones, in a process known as hematopoiesis.
bone marrow is 4% of the total body mass; in an adult weighing (140 lb), bone marrow accounts for about (5.7 lb).
Approximately 500 billion blood cells are made per day

19. Yellow Marrow – Adipose tissue (fat) – can be converted to red marrow when needed.

20. Diseases of marrow
Aplastic anemia,
Multiple Myeloma(cancer)
Tuberculosis (bacterial infection)
Leukemia (white cell cancer), which attacks its hematologic progenitor cells.
Radiation or chemotherapy will kill many of the cells of the bone marrow, and will result in a depressed immune system. Many of the symptoms of radiation sickness are due to damage sustained by the bone marrow cells

21. Epiphysis Articular Cartilage
Epihyseal Plate
Epiphyseal Line
Spongy bone 
Contains Red Marrow