Flashcards in Skeletal System Deck (47):
What makes up the axial skeleton?
Skull, vertebral column, bones of the thorax
What makes up the appendicular skeleton?
Pectoral girdle, pelvic girdle, upper & lower limbs
Name a long bone?
Name a short bone?
Name a flat bone?
Name a sesamoid bone?
Name an irregular bone?
What is the name of the c1 vertebrae?
What is the name of the c2 vertebrae?
Put the vertebrae of the spine in order?
Cervical (1-7), thoracic (1-12), lumbar (1-5), sacrum (1-5 fused), cocyx
What bones make up the pectoral girdle?
What bones make up the pelvic girdle?
Ilium, ischium, pubis
Name some functions of the skeleton?
What type of tissue is bone?
Specialised form of connective tissue
What is the name if bones collagenous matrix?
Osteoid calcifies through deposition of what?
Calcium & phosphate
What do the collagenous fibres & glycoproteins in osteoid do?
Confer strength & flexibility
What do mineral deposits in the osteoid do?
Give hardness & durability
What is the shaft of the bone called?
What is the epithelial membrane of the diaphysis called?
What are the ends of a bone called?
What reduces friction at bones articulating surfaces?
What is the name of the space filled by bone marrow within the bone?
What variety of marrow is produced in long bones?
What marrow is produced by irregular & flat bones?
What does bone marrow contain?
Haemotopietic tissue ( stem cells that give rise to blood cells)
What do all bones house?
Nerve fibres & blood cells
When does the developing skeleton fully mature?
What causes ossification?
Osteoid & minerals
When is ossification fully complete?
Third decade of life
Where in the bone does growth occur?
Epiphyseal growth plate
What is the name of a bone forming cell?
What is a mature bone cell called?
What is the name of the cell that remodels & replaces the skeleton?
What do you need to maintain a healthy skeleton?
Exercise, balanced diet, adequate amounts of calcium, phosphorus, vitamins d,c & d
Define compact bone?
Dense & consists tightly packed osteons
Define spongy bone?
Contains many marrow filled spaces
Define what a joint is?
Joints occur when 2 or more bones come together
Name an immovable/ fibrous joint?
Name a slightly movable/ cartilaginous joint?
Vertebrae, pubic ramus
Name a freely movable/ synovial joint?
Knee (hinge), elbow (hinge), hip (ball & socket), shoulder (ball & socket)
What makes a synovial joint different from others?
Separated by a cavity filled with synovial fluid
Where is synovial fluid made?
Secreted by the synovial membrane
What is the function of synovial fluid?
Permits friction free movement
What is the name of the structure that supports a joint?
What is the name of the ligament located within a joint?