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34 Cards in this Set

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Tuberosity
An obvious lump on a bone that serves as a site for muscle attachment.
Tubercle
An obvious lump on a bone that serves as a site for muscle attachment
Uniaxial Joint
Movement occurs in one axis or plane
Ex. knee (hinge joint), proximal radioulnar (pivot joint)
Triaxial Joint
Movement about 3 axes or planes. Ex. Hip (ball & socket)
3 Forms of Muscle tissue
Skeletal - striated, joint movement, voluntary(Biceps brachii)

Smooth - Non striated, involuntary (intestines)

Cardiac - Involuntary. Interconnected in networks that work as a unit (heart)
Articular Cartilage
Lines terminal portion of epiphysis where bone meets bone. Reduces wear, provides smooth articulation.
Articular Surface
Communicating bone surface
Articulation
Communication (junction) of two or more bones as they form a joint. May or may not touch.
Biaxial Joint
Movement about 2 axes or planes. Ex. wrist (condyloid jt)
Bursae
Liquid-filled membranes.
Protect soft tissues as they pass bony projections
Cancellous Bone
Spongy bone
Found toward the epiphysis, honeycombed or lattice

Absorbs stress and conserves weight
Cartilaginous Joints
Stable and provides movement
Occupies space btwn bones
Provides shock absorption,
Reduces wear & tear (spine)
Compact Bone
Hard bone of the diaphysis, deposited in layers.
Canals that allow nerves, lymph, and blood vessels access to inner bone tissue
Condyles
The articular surfaces of the bone
Diaphysis
Bone shaft
Made of hard compact bone w/central medullary canal.
Epiphyseal Plate
A cartilaginous place
Between epiphysis and diaphysis
Growth occurs here
Epiphysis
End of a long bone, made chiefly of cancellous bone.
Fibrocartilage
Shock absorption
Forms articular surface.
No blood supply of its own
Relies on synovial fluid for nurishment
Fibrous or Sutured Joints
Very stable with no observable movement. (The least amount of movement.
Foramen
A hole that passes completely through a bone
Fossa
Hollowed are of a bone

or hollow surface area on the body
Joint Capsule
Tough fibrous sheet surrounding many joints
Protects & stabilizes
Joints
Articulation of two or more connecting bones
Limited by ligaments, soft tissues, and joint architecture
Ligaments
Bone to Bone connective tissue
Medullary Cavity
Hollow chamber surrounded by compact bone
Contains marrow important for red blood cell formation and fat cell storage.
Nonaxial Joint
Involves a sliding rather than a rotating motion.
Does not move about any axis. Ex. Btwn bones of the wrist
Notch
Pathway for nerves or vessels
Periosteum
Fibrous sheath around the bone, provides nourishment and a site for developing bone cells
Process
Obvious lumb
site for muscle attachment
Spine
Bone projection - generally longer and thinner than a tuberosity.
Synovial Joint Classification
By the number of axes about which they rotate or the number of planes within which they move, & type of architecture (ball & socket)
Synovial Joints
Freely moving. Have space btwn the articular surface of the bones forming the joint, wide range of motion.
Synovial Membrane
Thin tissue that surrounds most freely moving joints
Nurishment for cartilaginous disks
Lubrication
Hydrostatic cushioning
Tendons
Muscle to Bone