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81 Cards in this Set
- Front
- Back
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4 Major Lobes of the Brain
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Parietal
Frontal Occipital Temporal |
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Landmark btwn Frontal & Parietal
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Central Sulcus
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Landmark btwn Temporal & frontal/ Parietal
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Lateral Sulcus/ Fissure
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Where is the insula found
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Cortex hidden beneath the temporal lobe
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What is the Corpus Callosum
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Large myelinated nerve tract.
Connects left & right side of brain |
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Parts of the Corpus Callosum
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Body
Splenium Genu Rostrum Anterior Commisure |
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Body of Corpus Callosum
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Found on Parietal & Frontal going A to P
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Splenium of Corpus Callosum
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Found on Occipital Lobe
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Genu of Corpus Callosum
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Found on Frontal lobe
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Rostrum of Corpus Callosum
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Found below the Genu
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Parieto Occipital Fissure
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Boundary of Cuneus
Divides Occipital from Parietal |
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Where is the fornix located?
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In the cortex beneath the Corpus Callosum
Surrounded by the septum pellucidum & Corpus Callosum |
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Where are Lateral Ventricles?
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R & L hemispheres
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Where is the 3rd Ventricle?
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Inside the Thalamus
Head of Chicken |
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Where is the 4th Ventricle?
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Behind the Pons & Medula- in brainstem
Chicken Body |
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Where is the Cerebral aqueduct of Silvius
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Connects 3rd & 4th Ventricle
Chicken Neck |
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Where is the Falx Cerebri found?
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Over/ divides brain
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Where is the Tentorium cerebelli?
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Tent over the cerebellum
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3 parts of the brain stem
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Mid brain (most rostral)
Pons Medulla (Most Caudal) |
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Where is the olfactory bulb?
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inferior side of brain
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Where is the pituitary Gland?
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Between the optic chiasm & mammillary bodies
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Where are the Mammillary bodies found?
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Posterior to optic chiasm & pituitary gland
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On the homunculus- largest to smallest sections:
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1. Hand
2. Face 3. Foot 4. Tongue & Larynx |
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On the homunculus- location
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Foot- Most medial (down middle)
Hand- Superior/ lateral Face- Lateral Tongue/ Layrnx- Inferior/ posterior |
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What do spinal ganglia represent?
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Collection/ swelling of nerve roots.
Sensory Cell Bodies |
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What determines the distribution of a dermatome?
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Level of the spinal nerve
(example of shingles) |
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Where is the Gracile Fasciculus & what information does it carry?
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Towards Midline/ spinal cord- in between Cuneate.
Lumbar & Lower T spines Leg |
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Where is the Cuneate Fasciculus & what information does it carry?
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More lateral- on either side of the Gracile.
High T spine Arms |
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Where is the lumbar Cistern?
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Bottom of Spinal Cord
CSF bag that surrounds Cuada Equina |
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Where is the Cauda Equina?
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End of the spinal cord
L1/L2- adults, L3 children |
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Where is the body of the fornix found in relation to the 3rd & lateral ventricles?
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Inferior to/ btwn Lateral ventricle
Superior to 3rd ventricle |
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CSF circulation eventually enter veins here:
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Superior Sagital Sinus
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Damage to Medial Cerebral Artery (MCA) produces...
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Hand weakness
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Damage to Anterior Cerebral Artery (ACA) produces...
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Leg Weakness
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Damage to Posterior Cerebral Artery (PCA) produces...
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Problems with vision
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What drain into the Internal Jugular Vein?
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Sigmoid & Petrosal Drain
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What cranial nerve is found btwn the Posterior Cerebral Arteries (PCA)?
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3- Occulomoter
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Fungiform Papillae is this kind of taste bud:
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Sweet/ Salty
Anterior part of tongue- superficial |
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Foliate Papillae is this kind of taste bud:
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Sour
Anterior part of tongue- embedded |
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Circumvallate Papillae is this kind of taste bud:
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Bitter
Posterior part of tongue- embedded |
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How many taste and salivary inputs are there?
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2 each
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Layers of taste bud
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1. Taste Pore
2. Epithelieal Cell 3. Supporting Cell 4. Basal Cell 5. AFFERENT taste nerves |
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Fovea for eye
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Found within the macula
Best lense for optical pathway- high res |
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Optic Disc
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White- Blindspot
Lateral to optic nerve |
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Cillary Muscles
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sides of lens
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Cornea
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Curved to refract light
Doesn't change shape LASIK changes shape |
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Iris
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Color of eye
Curved |
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Lens
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Curved to refract light
Changes shape for distances |
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Cell layers within retina
Posterior to Anterior |
1. Rods-Cones
2. Horizontal 3. Bipolar 4. Amacrine |
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Cochlea
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Inner ear
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Malleus, Incus, Stapes
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Middle ear
Order for rattling (MIS) |
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Tectorial Membrane
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Lays on top of hair cells in ear
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Cochlear Duct
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Center of duct of cochlea
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Helicotrema
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Tip of cochlea- middle ear
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Oval window
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Entrance
Stapes open to cochlea here |
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Round Window
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Exit
In Eustacian Tube |
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Tensor Tympani Muscle
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Quiets chewing
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Stapedius Muscle
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Smaller
Stops vibrations |
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Scala Tympani
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Lateral compartment
Top of Eustacian tube |
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Scala Vestibuli
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Connects Stapes & Pyramid
1st compartment Bend helicotropani |
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Basilar membrane/ Tympanic membrane
Ear Drum |
Membrane in cochlea
High frequency- beginning Low frequency- in middle by helicotrena |
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Hair Cells (within organ of Corti)
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movement of membrane
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Saccule
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Verticle- Elevator
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Utricle
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Horizontal- Driving
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Ampulla
Cupula/ Crista within |
Gellatin
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Endolymph
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Semicircular canals
Angular movement Bends hair cells |
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Otoconea (otoliths) are found within which of these vestibular sensors?
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utrucle & saccule
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Septum Pellucidum- description and location
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Skinny- anterior to fornix
Seperate caudate nucleus |
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Posteror and anteriro limbs of internal capsule
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Seperates thalamus & lentiform nucleus
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What does the Caudate run with?
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Lateral ventricles
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What makes up the Lentiform Nucleus?
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Globus Pallidus + Putamen
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What makes up the striatum
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Caudate + Putamen
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Anterior Pituitary
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Produces 6 hormones
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Posterior Pituitary
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Outgrowth of brain tissue
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What is role played by portal veins found within pituitary stalk (infundibulum)?
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How chemical signal gets to pituitary.
Portal blood vessels begin & end in capillaries |
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Which hypothalmic nucleus contains osmoreceptors?
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Para ventricular & supra optic nucleuses
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What cell provides axons for olfactory NERVE?
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Basil Cells
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What cell provides axons for olfactory TRACT?
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Mitral Cells
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Piriform Lobe
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Primary Olfactory Cortex
Cortical amygdala + uncus + anterior parahippocampal gyrs |
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2nd order neurons oflateral stria in olfactory tract project to...
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Piriform lobe
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Odorant
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Olfactory receptor
Opens cation-selective channel |
