Neuroanatomy - Scalp , Cranial Meninges , Brain
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What does S.C.A.L.P represent ?
- Connective Tissue
- Loose Connective Tissue
What is the Scalp Proper ?
It is the Skin, Connective Tissue,Aponeurosis that allows for the Scalp to move freely.
What nerves do these nerves come from ?
- Supratrochlear - frontal nerve
- Supraorbital - Frontal nerve
- Zygomaticotemporal - maxillary nerve Auriculotemporal-mandibular nerve
- lesser occipital -Optic Nerve
- occipital -Optic Nerve
The Scalp is an area of anastomosis between branches of what two types of arteries ? Where are they located ?
- ICA - Frontal
If there is a blow to the head why is there so much blood ? How do you fix it ?
Rich blood supply , ICA and ECA , it has to be sutured
Infection or fluid in the saclp this layer (pus or bld.) cannot pass posteriorly or laterally, WHY??
- Posterior - Nuchal Lines
- Lateral -Temporal lines
Where would the scalp infection spread and how ?
Through the emissary veins into the meninges , nose and eyelids
What are the three layers of the meninges ?
- Spinal Dura Mater
- Spinal Arachnoid Mater
- Spinal Pia Mater
What is the purpose of the meninges ?
- 1. protect the brain
- 2. provide supporting framework for a. & v.
- 3. enclose fluid-filledcavity (CSF)
Where is the best place in the vertebral column for a spinal tap ?
Terminal Cistern -Lumbar Region
What are the four main Dural Reflections (septa) to restrict the rotatory displacement of the brain ?
- falx cerebri
- falx cerebelli
- tentorium cerebelli
- sellar diaphragm
what space contains CSF ?
where does the arterial supply to the Middle Meningeal a. & Accessory Meningeal come from ?
- The foramen spinosum
- Maxillary / Mandibular artery
What artery supplys the blood for 2 Anterior meningeal a ?
What are arteries supply the 4 Post. Meningeal a.: ?
2 from ascending pharyngeal a
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