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44 Cards in this Set

  • Front
  • Back

What Dural Fold Attaches to the Crista Galli

Faux Cerebri




Longitudinally Separates the Left and Right Sides




(runs down midline)



Broken Cribiform Plate of Ethimoid bone can lead to lost in what sensation?

Lost of smell




*Damage to Olfactory Nerve

Subdural Space

Below the Dura Matter and Where Veins of CNS are found

Contains CSF and where Arteries are found

Sub Arachnoid Space

Sub-Dural Hematoma occurs as a result of rupturing of?

Veins Present in the Sub-Dural Space

Rupture of one of the arteries that forms the circle of Willis could lead to?

Sub Arachnoid Hematoma




* Sudden Onset Headache


*Stiff Neck


*Photophobia


*Nausea/Vomiting


*Transient loss of Consciousness

Patient Presents with headaches and dizziness after receiving a blow to their temple with a 5 iron golf club after he was caught cheating with the maid. Which arteries are most likely damaged and where is his bleeding localized

Middle Meningeal arteries




Extra Dural (epidural Space) Space

3 different types of Cortex ; Telencephalon

Archicortex


Neocortex


Paleocortex

Fleeting memory




Lost of Temporary Memory is associated with which part of the brain?

Cingulum




a Gyri in close Proximity to the Corpus Callusom

Difference between Primary Brodman's Areas & Associated Areas

Primary = Receive Impulses




Associated = Process these impulses and makes sense of them.

This has a really crappy job with pispoor income




Things can get really messy if he doesn't work.

Para Central Lobule

Hemisphere to Hemisphere Communication Mediated by what Fibers?

Commisural Fibers




Corpus Callosum

Area to Area Communication within Hemisphere

Association Fibers

Brain to spinal Chord Communication

Projection Fibers




(Internal Capsule)

The Input to the Basal Ganglion

Cortex (higher center)


Thalamus


Substantia Nigra (part of midbrain)

The Output of Basal Ganglion is from the?

Pallidum

Motor Actions are initiated via

Direct Pathway

Indirect Pathway for Motor Actions

1) Cortex


2) Striatum


3) External Segment of Pallidum


4) Subthalamus


5) Globus Pallidus Interna


6) Thalamus


7) Cortex



Direct Pathway for Initiation of Motor Actions

1) Cortex


2) Striatum


3) Globus Pallidum Interna


4) Thalamus


5) Cortex

Communication Between the Substantia nigra and the Striatum

Striato Nigral




Nigral Striatal

The Neurotransmitters of the Striatum are?

1) GABA


2) Substance P


3) Enkephalin

The Neurotransmitter of the Substantia Nigra is

Dopamine

Dopamine D1 Receptors are involved in which Pathway?

Direct Pathway

Dopamine D2 Receptors are involved in which Pathway?

Indirect Pathway

Striato =========> Nigra

GABA

Nigra =============> Striato

Dopaminergic

Patient Received damage to Substantia Nigra


Where would you implant stem cells to regrow dopaminergic Neurons?



Striatum




You can't grow axons from the Substantia Nigra back to the Striatum

A Knocked out Sub thalamus can lead to?

Hemiballism

Direct Pathway after Striatum goes to?

Goes to Globus Pallidus Internal Segment

Indirect Pathway after Striatum

Goes to Globus Pallidus External Segment

All sensations except what are relayed in the Thalamus?

Olfaction


(SMELL)

Pain and Temperature sensation from the body passes through the Spinal Lemniscus. What part of body is this an exception for?

Face

diamond shaped fossa at back pryamid of medulla

4th ventricle

Arteries that arise off the Internal Carotid Arteries

MAAPO




Middle Cerebral Artery


Anterior Choroid Artery


Anterior Cerebral Artery


Posterior Communicating Artery

Arteries that arise off the Vertebral Arteries

Superior Cerebellar


Anterior Spinal


AICA


PICA


Posterior Spinal


Posterior Cerebral


Pontine

The portions of the brain are supplied by which arteries

These arteries are found at which level of the Meninges 

These arteries are found at which level of the Meninges

SubArachnoid Space

•Astroke in the cortical distribution of one ACA results in sensorimotor deficitin the opposite foot and leg. Urinary incontinence and contralateral frontallobe signs may also be observed.•Astroke in the cortical distribution of the MCA results in a severe sensorimotordeficit in the contralateral face and upper limb. With dominant hemisphereinvolvement, global aphasia also results; with nondominanthemisphere involvement, the neglect syndrome or amorphosynthesisresults. •Clinically,the lenticulostriatevessels are the most common site of spontaneous hypertensive hemorrhage inindividuals with long-standing hypertension.•Astroke in the distribution of the vertebral artery (or the PICA) results in an ipsilateralloss of pain and temperature sensations in the face; contralateral loss of painand temperature sensation in the limbs, trunk, and neck; an ipsilateralHorner syndrome; hoarseness; dysphagia; nystagmus;vertigo;diplopia; ipsilateral ataxia; and ipsilateralloss of taste. This combination of signs is the lateral medullary or Wallenberg syndrome.•Astroke in the cortical distribution of the PCA results in a contralateralhomonymous hemianopsia.With dominant (usually left) hemisphere involvement, reading and writingabnormalities also result. •Thelargest radicular artery is the so-called artery of Adamkiewicz,which generally enters the spinal cord in the lower thoracic or upper lumbararea. Clinically, this area of the spinal cord is susceptible to vascularinsult should this radicular artery be compromised.•Astroke in the distribution of the anterior spinal artery results in thedevelopment of total motor paralysis and dissociated sensory loss below thelevel of the lesion. The sensory loss, if dissociated (loss of pain andtemperature but no involvement of position and vibration sense), is caused bysparing of the dorsal columns supplied by the posterior spinal arteries.

Rakesh Foot Note Clinical Correlations

Abnormal accumulation of CSF in an individual causing:




increased inter cranial pressure


tunnel vision


Progressive head enlargement in childhood (Megolocephaly)



Hydrocephalus 

Hydrocephalus

Pain and Temperature Sensation

.p.p.p.

Solitary Tract carries what sensation from Trigminal Meniscus

Taste




Recall: VPM

Anterior Nucleus & Medial Nucleus of the Thalamus is associated with?

Papez Circuit




Look out for question about Amnesia or fleeting memory

Pre-optic Nucleus helps with?

Sexual Regulation of human beings

Folich Syndrome Damage to Feeding Center