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What movement turns a bone along an axis?
Rotation is the movement around a longitudinal axis.
Which moves a bone around its longitudinal axis?
rotation!
Which bone has long longitudinal axis and expanded ends?
the femur bone.
What is pivotal joint?
A pivot joint is a type of synovial joint which only allows rotary movement around a single axis. One example is the proximal radio-ulnar joints.
What brings a bone toward a longitudinal axis?
Medial rotation is movement toward the body midline.The arm at the shoulder:Deltoid muscleSubscapularisTeres majorLatissimus dorsiPectoralis majorThe leg at the hip:Tensor fasciae lataeGluteus mediusGluteus minimusLeg at the knee:PopliteusSemimembranosusSemitendinosusThe eye (Incyclotorsion):Superior rectus muscleSuperior oblique muscle
Bone cells are arranged in concentric circles around longitudinal tubes called?
osteonic canals
A fracture or break in a bone that runs parallel with the bone is known as a?
longitudinal fracture
What is a greenstick?
A greenstick fracture is afracture in a young, soft bone in which the bone bends and partially breaks. The bones become harder(calcified) and more brittle with age, it occurs almost exclusively during infancy and childhood when their bones are soft. The name is by analogy with green wood which similarly breaks on the outside when bent. There are three basic forms of greenstick fracture. In the first a transverse fracture occurs in the cortex, extends into the midportion of the bone and becomes oriented along the longitudinal axis of the bone without disrupting the opposite cortex. The second form is a torus or buckling fracture, caused by impaction. The third is a bow fracture in which the bone becomes curved along its longitudinal axis. A greenstick fracture is afracture in a young, soft bone in which the bone bends and partially breaks. The bones become harder(calcified) and more brittle with age, it occurs almost exclusively during infancy and childhood when their bones are soft. The name is by analogy with green wood which similarly breaks on the outside when bent. There are three basic forms of greenstick fracture. In the first a transverse fracture occurs in the cortex, extends into the midportion of the bone and becomes oriented along the longitudinal axis of the bone without disrupting the opposite cortex. The second form is a torus or buckling fracture, caused by impaction. The third is a bow fracture in which the bone becomes curved along its longitudinal axis.
What is a greenstick fracture?
A greenstick fracture is afracture in a young, soft bone in which the bone bends and partially breaks. The bones become harder(calcified) and more brittle with age, it occurs almost exclusively during infancy and childhood when their bones are soft. The name is by analogy with green wood which similarly breaks on the outside when bent. There are three basic forms of greenstick fracture. In the first a transverse fracture occurs in the cortex, extends into the midportion of the bone and becomes oriented along the longitudinal axis of the bone without disrupting the opposite cortex. The second form is a torus or buckling fracture, caused by impaction. The third is a bow fracture in which the bone becomes curved along its longitudinal axis. A greenstick fracture is afracture in a young, soft bone in which the bone bends and partially breaks. The bones become harder(calcified) and more brittle with age, it occurs almost exclusively during infancy and childhood when their bones are soft. The name is by analogy with green wood which similarly breaks on the outside when bent. There are three basic forms of greenstick fracture. In the first a transverse fracture occurs in the cortex, extends into the midportion of the bone and becomes oriented along the longitudinal axis of the bone without disrupting the opposite cortex. The second form is a torus or buckling fracture, caused by impaction. The third is a bow fracture in which the bone becomes curved along its longitudinal axis.
What type of bone is the axis?
irregular bone
Pivot joint?
Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.
What is the difference between a haversian canal and a volkmann's canal?
The haversian canal is the axis of the basic unit of bone, the osteon, and it has longitudinal orientation. The Volkmann`s canal has a transverse orientation and interconnect different Haversian canal between them.
