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51 Cards in this Set

  • Front
  • Back

Fn of skeletal system

Support


Protection


Assistance in mvmt


Mineral homeostasis


Erythrocyte production


Triglyceride storage

Long bones

Longer than they are wide (humerus)

Short bone

Almost equal in length & width (trapezoid, wrist bone)

Flat bone

Relatively flat but may be curved (sternum)

Sesamoid

Develop where there is friction, tension, stress (patella)

Irregular

Complex shape (vertebra)

Sutural

Located between some cranial bones (formed between sutures)

Sutural bone

Axial skeleton

80 bones


Support & protect organs of head, neck & torso

Appendicular skeleton

126 bones


Make up upper & lower limbs & bones of girdles

Fissure

Narrow slit between adjacent parts of bone through which blood vessels or nerves pass

Foramen

Opening through which blood vessels, nerves, or ligaments pass

Fossa

Shallow depression

Sulcus

Furrow along bone surface that accomodates blood vessel, nerve or tendon

Meatus

Tubelike opening

Condyle

Lg, round protuberance w/ smooth articular surface at end of bone

Facet

Smooth, flat, slightly concave or convex articular surface

Head

Usually rounded articular projection supported on neck of bone

Crest

Prominent ridge or elongated projection

Epicondyle

Typically roughened projection above condyle

Spinous process

Sharp, slender projection

Trochanter

Very lg projection

Tubercle

Variably sized rounded projection

Tuberosity

Variably sized projection has rough, bumpy surface

Parietal bones

Red

Temporal bones

Purple


Features: external auditory meatus, zygomatic process, styloid process, mastoid process, mandibular fossa

Frontal bone

Blue

Occipital bone

Orange


Features: foramen magnum, external occipital protuberance & occipital condyles

Ethmoid bone

Features: crista galli, cubiform plate, olfactory foramen, superior nasal conchae, middle nasal conchae, perpendicular plate

Sphenoid bone

Features: sella turcica, lesser wings, greater wings, optic foramen

Maxilla

Yellow


Features: alveoli, palatine processes

Mandible

Features: body, ramus, condylar process (mandibular condyle), coronoid process, mental foramina, alveoli

Zygomatic

Red


Features: temporal process

Lacrimal

Purple

Vomer & inferior nasal conchae

Palatine

Orbital of eye

Ossicles

Hyoid

Sutures

Fetal skull & fontanels

Vertebral column

All vertebra

Cervical vertebrae

Atlas (C1) has no body


Axis (C2) has dens


Transverse foramen

Thoracic vertebrae

Medium body, long narrow spinous process

Lumbar vertebrae

Large body, thick hatchet shaped spinous processes

Sacrum and coccyx

Scoliosis, kyohosis, lordosis

Ribs

Sternum

Rib parts