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81 Cards in this Set

  • Front
  • Back
4 Major Lobes of the Brain
Parietal
Frontal
Occipital
Temporal
Landmark btwn Frontal & Parietal
Central Sulcus
Landmark btwn Temporal & frontal/ Parietal
Lateral Sulcus/ Fissure
Where is the insula found
Cortex hidden beneath the temporal lobe
What is the Corpus Callosum
Large myelinated nerve tract.

Connects left & right side of brain
Parts of the Corpus Callosum
Body
Splenium
Genu
Rostrum
Anterior Commisure
Body of Corpus Callosum
Found on Parietal & Frontal going A to P
Splenium of Corpus Callosum
Found on Occipital Lobe
Genu of Corpus Callosum
Found on Frontal lobe
Rostrum of Corpus Callosum
Found below the Genu
Parieto Occipital Fissure
Boundary of Cuneus

Divides Occipital from Parietal
Where is the fornix located?
In the cortex beneath the Corpus Callosum

Surrounded by the septum pellucidum & Corpus Callosum
Where are Lateral Ventricles?
R & L hemispheres
Where is the 3rd Ventricle?
Inside the Thalamus

Head of Chicken
Where is the 4th Ventricle?
Behind the Pons & Medula- in brainstem

Chicken Body
Where is the Cerebral aqueduct of Silvius
Connects 3rd & 4th Ventricle

Chicken Neck
Where is the Falx Cerebri found?
Over/ divides brain
Where is the Tentorium cerebelli?
Tent over the cerebellum
3 parts of the brain stem
Mid brain (most rostral)

Pons

Medulla (Most Caudal)
Where is the olfactory bulb?
inferior side of brain
Where is the pituitary Gland?
Between the optic chiasm & mammillary bodies
Where are the Mammillary bodies found?
Posterior to optic chiasm & pituitary gland
On the homunculus- largest to smallest sections:
1. Hand

2. Face

3. Foot

4. Tongue & Larynx
On the homunculus- location
Foot- Most medial (down middle)

Hand- Superior/ lateral

Face- Lateral

Tongue/ Layrnx- Inferior/ posterior
What do spinal ganglia represent?
Collection/ swelling of nerve roots.

Sensory Cell Bodies
What determines the distribution of a dermatome?
Level of the spinal nerve

(example of shingles)
Where is the Gracile Fasciculus & what information does it carry?
Towards Midline/ spinal cord- in between Cuneate.

Lumbar & Lower T spines

Leg
Where is the Cuneate Fasciculus & what information does it carry?
More lateral- on either side of the Gracile.

High T spine

Arms
Where is the lumbar Cistern?
Bottom of Spinal Cord

CSF bag that surrounds Cuada Equina
Where is the Cauda Equina?
End of the spinal cord

L1/L2- adults, L3 children
Where is the body of the fornix found in relation to the 3rd & lateral ventricles?
Inferior to/ btwn Lateral ventricle

Superior to 3rd ventricle
CSF circulation eventually enter veins here:
Superior Sagital Sinus
Damage to Medial Cerebral Artery (MCA) produces...
Hand weakness
Damage to Anterior Cerebral Artery (ACA) produces...
Leg Weakness
Damage to Posterior Cerebral Artery (PCA) produces...
Problems with vision
What drain into the Internal Jugular Vein?
Sigmoid & Petrosal Drain
What cranial nerve is found btwn the Posterior Cerebral Arteries (PCA)?
3- Occulomoter
Fungiform Papillae is this kind of taste bud:
Sweet/ Salty

Anterior part of tongue- superficial
Foliate Papillae is this kind of taste bud:
Sour

Anterior part of tongue- embedded
Circumvallate Papillae is this kind of taste bud:
Bitter

Posterior part of tongue- embedded
How many taste and salivary inputs are there?
2 each
Layers of taste bud
1. Taste Pore

2. Epithelieal Cell

3. Supporting Cell

4. Basal Cell

5. AFFERENT taste nerves
Fovea for eye
Found within the macula

Best lense for optical pathway- high res
Optic Disc
White- Blindspot

Lateral to optic nerve
Cillary Muscles
sides of lens
Cornea
Curved to refract light

Doesn't change shape

LASIK changes shape
Iris
Color of eye

Curved
Lens
Curved to refract light

Changes shape for distances
Cell layers within retina

Posterior to Anterior
1. Rods-Cones

2. Horizontal

3. Bipolar

4. Amacrine
Cochlea
Inner ear
Malleus, Incus, Stapes
Middle ear

Order for rattling (MIS)
Tectorial Membrane
Lays on top of hair cells in ear
Cochlear Duct
Center of duct of cochlea
Helicotrema
Tip of cochlea- middle ear
Oval window
Entrance

Stapes open to cochlea here
Round Window
Exit

In Eustacian Tube
Tensor Tympani Muscle
Quiets chewing
Stapedius Muscle
Smaller

Stops vibrations
Scala Tympani
Lateral compartment

Top of Eustacian tube
Scala Vestibuli
Connects Stapes & Pyramid

1st compartment

Bend helicotropani
Basilar membrane/ Tympanic membrane

Ear Drum
Membrane in cochlea

High frequency- beginning

Low frequency- in middle by helicotrena
Hair Cells (within organ of Corti)
movement of membrane
Saccule
Verticle- Elevator
Utricle
Horizontal- Driving
Ampulla
Cupula/ Crista within
Gellatin
Endolymph
Semicircular canals

Angular movement

Bends hair cells
Otoconea (otoliths) are found within which of these vestibular sensors?
utrucle & saccule
Septum Pellucidum- description and location
Skinny- anterior to fornix

Seperate caudate nucleus
Posteror and anteriro limbs of internal capsule
Seperates thalamus & lentiform nucleus
What does the Caudate run with?
Lateral ventricles
What makes up the Lentiform Nucleus?
Globus Pallidus + Putamen
What makes up the striatum
Caudate + Putamen
Anterior Pituitary
Produces 6 hormones
Posterior Pituitary
Outgrowth of brain tissue
What is role played by portal veins found within pituitary stalk (infundibulum)?
How chemical signal gets to pituitary.

Portal blood vessels begin & end in capillaries
Which hypothalmic nucleus contains osmoreceptors?
Para ventricular & supra optic nucleuses
What cell provides axons for olfactory NERVE?
Basil Cells
What cell provides axons for olfactory TRACT?
Mitral Cells
Piriform Lobe
Primary Olfactory Cortex

Cortical amygdala + uncus + anterior parahippocampal gyrs
2nd order neurons oflateral stria in olfactory tract project to...
Piriform lobe
Odorant
Olfactory receptor

Opens cation-selective channel