scalp Flashcards
scalp layars:
S skin
C connictive tissue
A aponeurosis
L loose c.t
P periosteum
blood vessesls of scalp are running within wich layar?
2nd connective tissue
rish in bld supply
aponeeurosis (galea aponeurotica)
strong tendinous sheet
attache fronto oaccipital musscleand auricularious muscle
what is scalp proper
first three layers of scalp move togethore as one unit
innervations t the sculp
*nerves
ant; supraorbital/supratracular
lat;zygomaticotemporal v2
auriculotemporal v3
post; lesser occipital c2 ant ramus
greater occipital c2 post ramus
arteries of scalp
ICA: supraorbital lsupratricular
ECA: superfacial temporal a
post auricular a هاد ورا الدان
occipital a
what is anastomosis to
1 artery
2 veins
1 ARTERY anastomosis its a connectiion between branches of ica eca
2 VEINS freely anastomose
what is emissary veins ?
veins are connected to diploic veins and dural venous sinuses byemissary veins
cranial meninges made of C.T to:
protect brian
provide supportingfor a and v
ebclose fluid filled cvity (csf)
layars of cranial meninges :
1 dura mater
2 arachnoid mater
3 pia mater
1 dura mater
1 periosteal layer
between bvs
2 meningeal layer
septa
4 dural reflections
*restrict the rotatory displacment of the brian
4 dural reflictions
*septa
falx cerebri l
falx cerebelli _l
tentorium cerebelli - -
sellar diaphram
2 arachnoid mater
web-like
contains fluid csf
subarchnoid space
between archnoid and pia mater