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12 Cards in this Set

  • Front
  • Back
what does the SCALP mneumonic stand for
Skin, Connective tissue, Aponeurosis, Loose Connective Tissue, and pericranium
the scalp extends where
from the supraorbital margins anteriorly to the EOP posteriorly and laterally down to the zygomatic arch
Why is thy 4th layer of scalp considered the "dangerous area"
because infection can spread from the scalp to the dural venous sinuses via emissary v v.
what are the muscles of the scalp
the frontal and occipital belly
what is the origin and insertion of the frontal belly
origin-epicranial aponeurosis
insertion- skin superior to eyebrows
what is the action of the frontal belly
draws the scalp forward to wrinkle skin and backwards to raise the eyebrows
the innervation of the frontal belly is
facial nerve (temporal brs.)
the blood supply to the frontal belly
opthalmic artery
what is the origin and insertion of the occipital belly
O-SNL and I-epicranial aponeurosis
what is the action of the occipital belly
draws the scalp backward
what is the innervation of the occipital belly
the facial nerve (posterior auricular br.)
What is the blood supply to the occipital belly
occipital artery