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41 Cards in this Set
- Front
- Back
large opening in the base of the occipital bone |
foramen magnum |
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connects temporal and parietal bones |
squamous suture |
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failure of these anterior bones to fuse causes a condition known as cleft palate |
maxillae |
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wing-shaped bone that forms part of the floor of the cranial vault |
sphenoid bone |
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houses the apparatus of the internal and middle ear |
temporal bone
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this bone has a passageway into the nasal cavity |
ethmoid bone |
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name the structures that make up the axial skeleton |
skull vertebral column thoracic cage hyoid bone |
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name the regions of the adult vertebral column in order from superior to inferior. (indicate number of bones in each region. |
cervical (7) Thoracic(12) lumbar (5) sacrum (5 fused vertebra) coccyx (4 fused vertebra) |
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synarthrotic joints |
permit essentially no movement |
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True or false: all synovial joints are freely moveable |
true |
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the cruciate ligaments of the knee prevent? |
hyperextension of the knee |
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EXTRACAPSULAR ligaments stabilizing the knee include? |
lateral and medial collateral ligaments which minimize lateral or medial angular movements |
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the hip joint is comprised of the? |
head of the femur and the acetabulum |
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the bump that can be palpated as the medial aspect of the ankle is the? |
medial malleolus of the tibia |
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the two bones that articulate to form a saddle joint are? |
the trapezium and the first metacarpal |
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the proper anatomical name for the shoulder is the ________ joint? |
glenohumeral |
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what can cause gouty arthritis |
excessive blood levels of uric acid deposited as crystals in the soft tissue joints |
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the functional classification of a freely moveable joint |
diarthrotic |
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partial dislocation of a joint |
subluxation |
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the joint action that squeezes your shoulder blades together behind you |
retraction |
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the joint action that turns the foot medially at the ankle |
inversion |
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the joint action that opposes elevation |
depression |
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the joint action that lowers your arm to your side
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adduction
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the type of muscle cell that is always multinucleated |
skeletal |
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the functional unit of skeletal muscle |
sarcomere |
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the structure within skeletal muscle cells that stores calcium |
sarcoplasmic reticulum |
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what part of the sarcolemma contains acetylcholine receptors |
motor end plate |
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muscle contraction requires? |
Ca2+ and ATP |
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In an isotonic contraction, the muscle? |
changes in length and moves the load |
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creatine phosphate functions in the muscle cell by? |
storing energy that will be transferred to ADP to resynthesize ATP |
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THE THIN FILAMENT IS MADE OF 3 PROTEINS. NAME THEM |
TROPOMYOSIN TROPONIN ACTIN |
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list the structures that form the skeletal muscle triad |
t-tubules and terminal cisternae |
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describe the termination of transmission at the neuromuscular junction |
1) Ach broken down by AchE 2) Ach diffuses out of synaptic cleft and away from motor end plate |
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an opening through which blood vessels, nerves or ligaments pass
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foramen |
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a sharp, slender, projection |
spinous process |
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a prominent ridge that forms attachment points for connective tissue |
crest |
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a shallow depression |
fossa |
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a rounded projection supported on the neck of a bone that forms joints |
head |
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a large rounded rough projection that forms attachment points for connective tissue |
tuberosity |
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a furrow along a bone surface that accommodates a blood vessel, nerve, or tendon |
sulcus |
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