Functions and Classification of Bones
Do not fit into other bone classification categories.
Irregular bones
Whats it called when the broken ends of the bone line up and are barely out of place.
Stable Fracture
How many bones are in the Axial Skeleton System?
80
How many bones are in the appendicular system?
206 bones
Where are joints found?
In an area where two or more bones are mobile.
Without anchoring to bones, muscles could not move the body.
Protection
What is it called when the skin may be pierced by the bone or by a blow that breaks the skin at the time of the fracture. The bone may or may not be visible in the wound.
Open/Compound Fracture
How many ribs are there?
12 Pairs
what composes the appendicular skeleton?
upper limbs, shoulder girdle, lower limbs, pelvic girdle
focuses on the material binding the bones together and whether or not a joint cavity is present. There are fibrous, cartilaginous, and synovial joints
Structural Classification of Joints
responsible for creating bone
osteoblasts and osteocytes
This type of fracture has a horizontal fracture line.
Transverse fracture
the flattened bone of the anterior chest.
sternum
what is the anatomical name for the shoulder girdle?
pectoral girdle
bones are joined by fibrous tissue, namely dense fibrous connective tissue, and no joint cavity is present, mostly immovable.
Fibrous Joints
Usually bones that are thin and curved.
Flat bones
This type of fracture has an angled pattern.
Oblique fracture
Opening above each orbit allowing blood vessels and nerves to pass
Supraorbital foramen (notch)
what part of the upper arm fits into the shoulder girdle?
head of humerus
Allow for growth during youth, In middle age, sutures ossify and are called synostoses
Sutures
How much force does it take to break a bone? (newtons)
4,000 newtons of force
In this type of fracture, the bone shatters into three or more pieces.
Comminuted fracture
Inferior to parietal bone of lateral skull. Can be divided into three major parts: squamous part (borders the parietals) the tympanic part (surrounds the external ear opening) and the petrous part (forms the lateral portion of the skull base and contains the mastoid process
Temporal bone
how many phalanges are in one hand?
14
Movement varies from immovable to slightly movable and depends on length and amount of fibers
Syndesmoses