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Skeletal System
4E031 - Block 2
27
Medical
Undergraduate 1
06/26/2012

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Cards

Term
Name the primary functions of the skeleton
Definition
Support, Protection, Assisting in movement, Storage of minerals, Blood cell Production, Bone Growth
Term
Primary function of Skeleton - Support
Definition
Skeleton is framework of the body; it supports softer tissues and provides points of attachment for most skeletal muscles
Term
Primary function of Skeleton - Assisting in Movement
Definition
Skeletal muscles are attached to bones, when muscles contract they cause bones to move
Term
Primary function of Skeleton - Storage of Minerals
Definition
Bone tissues store several minerals, including Calsium and Phosphorus
Term
Primary function of Skeleton - Bone Growth
Definition
Ossification is the process of bone formatoin cartilage turned into bone or bone-like tissue
Term
What are the classifications of bones?
Definition
Long - Have with head at both ends (femur & Humerus), Short - Cube Shaped (Wrist, Ankle, Phalages), Flat - Thin flattend and usually curved (Skull & Sternum), Irregular - Bertebra, pelvis, and facial bones
Term
What re the parts of the bone?
Definition
Cancellous, Compact, Endosteum, Periosteum, Medulla Cavity
Term
Parts of the bone - Cancellous Bone
Definition
Porous or spongy bone fond in the deeper cavities; produces red blood cells, platelets, some white blood cells and destroys worn out red blood cells
Term
Parts of the bone - Compact bone
Definition
Densly packed layers located in stress areas
Term
Parts of the bone - Endosteum
Definition
Fine membrane that lines all compact bone cavities
Term
Parts of the bone - Periosteum
Definition
Surronds the entire bone except the joint surface (Nutrient layer and produces new bone cells)
Term
Parts of the bone - Medulla Cavity
Definition
Center of long bones and contains yellow marrow
Term
Parts of Axial Skeleton
Definition
Skull, Hyoid Bone (only bone that does not attache with any other bone)
Term
Vertabral Column -Breakfast(7) - Lunch((12) -Dinner(5)
Definition
Cervical - 7 Bones of neck region of spine, Thoracic - 12 heart shaped bones, Lumbar - 5 block like bones (sturdiest), Sacrum - 5 fused bones (posterior wall of pelvis, Coccyx - 4 fused bones (tail bone)
Term
Sternum
Definition
1st seven pairs of ribs
Term
Rib cage
Definition
12 pairs of ribs, protects heart and lungs
Term
Appendeicular skeleton
Definition
Scapula, Clavical, Arm, Hand, Pelvic Girdle, Leg Bones, Foot
Term
Scapula
Definition
Moveable bone for muscle of back to attache to (Flat Bone)
Term
Clavicale
Definition
Support or brace for the shoulder - Attached to manubruim, sternum and scapula
Term
Arm
Definition
Humerus (shoulder to the elbow), Radius (located on lateral side of thumb of forearm), Ulna (located on medial side of forearm -pinky side)
Term
Pelvic Girdle
Definition
Illium (most of hip bone), Pubis (Most anterior part), Ischium (Sit down bone)
Term
Leg Bones
Definition
Femur (stronges, longest - Upper leg), Patella (End of femur -knee), Fibula (thin sticl like articulates with tibia), Tibia (Shit bone -larger more medial, attaches to knee joint)
Term
Foot
Definition
Tarsals (Ankle, consists of 7 bones), Metatarsals (Bones of the foot or sole- consist of 5 bones), Phalanges (Make up toes of foot - 14 bones)
Term
Define Joints
Definition
Articulations - place where two bones come together (holes bones together, gives rigid bones mobility)
Term
Fibrous
Definition
Bones are united by fibrous tissue, immoveable joints (Skull)
Term
Cartilaginous
Definition
Bones ends held together by cartilage, slightly moveable (Spine)
Term
Synovial
Definition
Articulating bone ends - seperated by a joint cavity containing synovial fluid (Freely moveable) Ball and socket(hip, shoulder), Pivot (radius and ulna), Hinge (elbo and phalanges)
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