Term
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Definition
the 80 bones of the head,
neck, and torso; composed of 74 bones
that form the upright axis of the body and
six tiny middle-ear bones |
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Term
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Definition
the 126 bones that
form the appendages to the axial skeleton;
the upper and lower extremities |
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Term
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Definition
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Term
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Definition
air-filled cavities, lined with mucous membrane
which help warm and moisturize the air entering the respiratory system.
Also the sinuses lighten the mass of bone in the skull and provide
resonance to our voices. |
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Term
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Definition
U-shaped bone located
just the larynx and below
the mandible. only bone in the body that articulates with no other bone |
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Term
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Definition
– Forms the flexible longitudinal axis of the skeleton
– Consists of 24 vertebrae plus the sacrum and coccyx |
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Term
• 7 cervical vertebrae
• 12 thoracic vertebrae
• 5 lumbar vertebrae
• Sacrum: in adults, results from the fusion of five separate
vertebrae
• Coccyx: in adults, results from the fusion of four or five separate
vertebrae |
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Definition
| segments of vetebral column |
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Term
• All vertebrae, except the first, have a flat, rounded body
anteriorly and centrally, a spinous process posteriorly,
and two transverse processes laterally
• All but the sacrum and coccyx have a vertebral foramen
• Second cervical vertebra has an upward projection, the
dens, to allow rotation of the head
• Seventh cervical vertebra has a long, blunt spinous
process
• Each thoracic vertebra has articular facets for the ribs |
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Definition
| characteristics of vertebrae |
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Term
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Definition
| Vertebral column as a whole articulated with |
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Term
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Definition
– Consists of the bones of the shoulder girdle,
upper and lower parts of the arm, wrist, and
hand
– Shoulder girdle: scapula & clavicle |
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Term
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Definition
forms the only bony joint with the trunk
(axial skel.), the sternoclavicular joint |
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Term
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Definition
At its distal end, the clavicle articulates with the
_______________ of the scapula |
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Term
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Definition
| Eight small bones that form the wrist |
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Term
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Definition
Consists of the bones of the hip, thigh, lower part of the
leg, ankle, and foot |
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Term
| sacrum and two coxal bones |
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Definition
| Pelvic girdle is composed of the |
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Term
– Ilium: largest and uppermost (“wing”)
– Ischium: strongest and lowermost (“sitting on it”)
– Pubis: anterior most (2 pubis bones articulate at
the symphysis |
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Definition
Each coxal bone is composed of three bones that
fuse together: |
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Term
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Definition
| longest and heaviest bone in the body |
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Term
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Definition
| largest sesamoid bone in the body |
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Term
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Definition
• The larger, stronger, and more medially and
superficially located of the two leg bones
• Articulates proximally with the femur to form the
knee joint
• Articulates distally with the fibula and talus |
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Term
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Definition
• The smaller, more laterally and deeply placed of
the two leg bones
• Articulates with the tibia |
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Term
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Definition
| Foot bones are held together to form |
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Term
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Definition
1st metatarsophylangeal joint
damaged/deformed |
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Term
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Definition
| club foot, caused by "womb room" or genetics |
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Term
| Clinical View: Phycomelia |
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Definition
can be genetic, but is often environmentally induced by
exposure to teratogens such as thalidomide which in the 1950s was used
to treat pregnant mothers’ morning sickness, but was never tested for
detrimental effects on the embryo. Limb bud formation is altered/arrested.
Current use of thalidomide includes anti-cancer,
lupus, AIDS, but NEVER during pregnancy in USA. |
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