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Chapter 6
Bones
19
Anatomy
Undergraduate 2
02/04/2013

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Term
MEDULLARY CAVITY
Definition
MARROW CAVITY; IS A SPACE WITHIN THE HOLLOW SHAFT.
Term
EPIPHYSIS
Definition
AN EXPANDED AREA FOUND AT EACH END OF THE BONE
Term
DIAPHYSIS
Definition
(SHAFT) IS A LONG AND TUBULAR
Term
RAMUS
Definition
AN EXTENSION OF A BONE THAT MAKES AN ANGLE WITH THE REST OF THE STRUCTURE
Term
CREST
Definition
PROMINENT RIDGE IN THE PELVIS
Term
TROCHANTER
Definition
IS A LARGE ROUGH PROJECTION WITHIN THE FEMUAR
Term
SESAMOID BONDS
Definition
GENERALLY SMALL, FLAT, AND SHAPED SOMEWHAT LIKE A SESAME SEED. THEY DEVELOP INSIDE TENDONS AND ARE MOST COMMONLY LOCATED NEAR JOINTS AT THE KNEES, THE HANDS, AND THE FEET.
Term
IRREGULAR BONES
Definition
HAVE COMPLEX SHAPES WITH SHORT, FLAT, NOTCHED, OR RIDGED SURFACES, THE SPINAL VERTEBRAE, THE BONES OF THE PELVIS, AND SEVERAL SKULL BONES ARE IRREGULAR BONES
Term
CANAL/MEATUS
Definition
A LARGE PASSAGEWAY THROUGH THE SUBSTANCE OF A BONE
Term
SINUS
Definition
A CHAMBER WITHIN A BONE THAT IS NORMALLY FILLED WITH AIR
Term
FORAMEN
Definition
A SMALL ROUNDED PASSAGEWAY THROUGH WHICH BLOOD VESSELS OR NERVES PENETRATE THE BONE.
Term
FLAT BONES
Definition
HAVE THIN ROUGHLY PARALLEL SURFACES. FORM THE ROOF OF THE SKULL, THE STERNUM, THE RIBS, AND THE SCAPULAE. THEY PROVIDE PROTECTION FOR UNDERLYING SOFT TISSUES AND OFFER AN EXTENSIVE SURFACE AREA FOR THE ATTACHMENT OF SKELETAL MUSCLES.
Term
SUTURAL BONES (WORMIAN BONES)
Definition
SMALL, FLAT, IRREGULARLY SHAPED BONES BETWEEN THE FLAT BONES OF THE SKULL. THEIR BORDERS ARE LIKE PIECES OF A JIGSAW PUZZLE, AND THEY RANGE INSIZE FROM A GRAIN OF SAND TO A QUARTER.
Term
LONG BONES
Definition
LONG & SLENDER. LOCATED IN THE ARM, FOREARM, THIGH & LEG, PALMS, SOLES, FINGERS & TOES
Term
FEMUR
Definition
THE LONG BONE OF THE THIGH. THE LONGEST, HEAVIEST & STRONGEST BONE IN THE BODY.
Term
SHORT BONES
Definition
SMALL & BOXY. BONES IN THE WRISTS (CARPAL BONES) AND THE ANKLES (TARSAL BONES)
Term
AXIAL SKELETON
Definition
80 BONES. CONSISTS OF THE BONES OF THE SKULL, THORAX, AND VERTEBRAL COLUMN.
Term
APPENDICULAR SKELETON
Definition
126 BONES. INCLUDES THE BONES OF THE LIMBS AND THE PECTORAL AND PELVIC GIRDLES THAT ATTACH THE LIMBS TO THE AXIAL SKELETON.
Term
SKELETAL SYSTEM
Definition
INCLUDES THE VARIED BONES OF THE SKELETON AND THE CARTILAGES, LIGAMENTS, AND OTHER CONNECTIVE TISSUES THAT STABILIZE OF INTERCONNECT THEM.
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