The Skelatal System Flashcards
Osteology def
Study of the bones
Bone is composed of
2/3rds mineral matter and 1/3rd organic matter
Bone shapes
Long
Short
Flat
Sesamoid
Irregular bones
Long bones location and function
Arms and legs
Acts as a lever to raise and lower limbs
Short bones location and function
Areas such as wrist or elbow
Provide support and stability with little or no movement
Flat bones location and function
Skull, scapula, and sternum
Create a protective shell
Sesamoid location and function
Commonly found in the tendons of the hands, knees, and feet
Protect tendons from stress and wear
Irregular bones location and function
Vertebral and pelvis
Protect nervous tissue and internal organs
Function of the bones
Shape and support
Protection
Framework for muscle attachment
Blood cell and platelet formation
Mineral and fat storage
Shape and support (function) def
Size and organization of bones dictate the underlying shape of the body
Protection (function) def
Bones around vital, fragile organs serve to protect them from trauma
Framework for muscle attachment (function) def
Muscles attach to the bones
Blood cell and platelet formation (function) def
Red bone marrow produces life-critical red blood cells, white blood cells, and platelets
Mineral and fat storage (function) def
Bone stores calcium and phosphorus; body can easily access; yellow bone marrow stores fat
The body is composed of how many bones
206
Tendons def
Connect muscle to bones
Ligaments def
Connect bones to other bones
Joint
Point at which two or more bones are joined
How many bones make up the cranium and how many of them are affected a scalp massage
8
6 are affected, the other two form the eye sockets
Name the 6 cranial bones that are affected a scalp massage
Frontal
Two parietal
Occipital
Two temporal
How many facial bones are there and of them, how many are involved in a facial massage
14, but 9 are involved
Name the 9 facial bones that are involved in a facial massage
Mandible
Two maxillae
Two nasal
Two zygomatic or malar
Two lacrimal
How many neck bones are there
8