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Health science

Skeletal System made of organs called bones
Diaphyris long shaft part of bone
epiphysis two ends of the bone
Medullary canal cavity in the diaphysis, contains yellow marrow
Yellow Marrow made up of mostly fatty cells
endosteum membrane that lines the medullary canal and keeps the yellow marrow in tact
Red Marrow found in certain bones, such as vertebrae,ribs, sternum,and cranium, and in the proximal ends of the humerus and femur. It produces red blood cells, platelets, and white blood cells.
periosteum tough membrane that covers bone
axial skeleton forms the main trunk of the body, composed of skull, spinal column, ribs, and breastbone.
appendicular skeleton forms the extremities and is composed of the shoulder or girdel, arm bones, pelvic gridle, and leg bones.
Cranium spherical structure that surrounds and protects the brain.
Fontanels spaces that allow for the enlargement of the skull as the brain grows. Made of membrane and cartilage.
Sutures areas where the cranial bone have joined together.
Foramina openings in the bone that allow nerves and blood vessels to enter or leave the bone.
Vertebrae bones that protect the spinal cord and provide support for the head and trunk. 7 Cervical, 12 Thoracic, 5 Lumbar, 1 Sacrum, and 1 Coccyx.
Ribs attach the thoracic vertebrae on the dorsal surface of the body. First seven are true ribs because they directly attach to the sternum. The next five are false because they attach to the rib above it. The last two are floating ribs.
sternum breastbone, last bone of the axial skeleton. Consists of three parts: manubrium, gladidus, and xiphoid process. They protect the heart and lungs.
clavicle collar bone
scapula shoulder bone
humerus upper arm bone
radius lower arm, bone on thumb side
ulna larger bone of the lower arm with a projection called the olecronen process at its upper end, forming the elbow.
Carpals wrist
metacarpals palm of the hand
phalanges fingers and toes
os coxae hip bones
femur thigh bones
patella kneecap
tibia lower leg
fibula lower leg
tarsals ankle
metatarsals instep of foot
joints areas where two or more bones are joined together.
Ligaments connective tissue bonds that help hold bones together at joints.
Diarthrosis joints freely movable, ball-and-socket
Amphiorthrosis joints slightly movable
synorthrosis joints immovable joints
Created by: GShikak



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