Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
Axial Skeleton
|
Consists of the bones that lie around the longitudinal axis of the human body.
|
|
Parts of the axial skeleton
|
skull bones, auditory ossicles (earbones), hyoid bone, ribs, sternum and bones of the vertebral column
|
|
Appedicular skeleton
|
Consists of the bones of the upper and lower limbs (extremities), plus the bones forming the girdles that connect the limbs to the axial skeleton
|
|
amount of axial bones
|
80
|
|
amount of appendicular bones
|
126
|
|
Types of bones
|
long
short flat irregular sesamoid |
|
long bones
|
greater length than width and are slightly curved for strength
|
|
Femur, tibia, fibula, humerus, ulna, radius, phalanges
|
types of long bones
|
|
Short bones
|
cube-shapped and are nearly equal in length and width
Ex. carpal, tarsal |
|
flat bones
|
thin and composed of two nearly parallel plates of compact cone tissue enclosing a layer of spongy bone tissue
|
|
type of flat bones
|
cranial, sternum, ribs, scapulae
|
|
Irregular bones
|
complex shapes and cannot be grouped into any of the previous catergories
|
|
type of irregular bone
|
vertebrae, hip bones, some facial cones, calcaneus
|
|
sesamoid bones
|
protect tendons from excessive wear and tear
Ex. patellae, foot and hand |
|
Sutural bones
|
small bones located in sutures(immovable joints) of cranial bones
|
|
surface markings
|
structural features adapted for specific functions
|
|
types of surface markings
|
depression and openings
and processes |
|
depression and openings
|
allow the passage of blood vessels and nerves or form joints
|
|
processes
|
projections or outgrowths that form joints or serve as attachment points for ligaments and tendons
|
|
fissure
|
(bone surface marking)
narrow slit between adjacent parts of bones through which blood vessels or nerves pass |