New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

Brain Anatomy Terms and Locations

by: Anna Stidham

Brain Anatomy Terms and Locations Bio 221

Marketplace > Towson University > Biology > Bio 221 > Brain Anatomy Terms and Locations
Anna Stidham
GPA 4.0
View Full Document for 0 Karma

View Full Document


Unlock These Notes for FREE

Enter your email below and we will instantly email you these Notes for Anatomy and Physiology I

(Limited time offer)

Unlock Notes

Already have a StudySoup account? Login here

Unlock FREE Class Notes

Enter your email below to receive Anatomy and Physiology I notes

Everyone needs better class notes. Enter your email and we will send you notes for this class for free.

Unlock FREE notes

About this Document

Notes on Anatomy of brain
Anatomy and Physiology I
Dr. Page
Class Notes
brain, anatomy




Popular in Anatomy and Physiology I

Popular in Biology

This 11 page Class Notes was uploaded by Anna Stidham on Wednesday June 15, 2016. The Class Notes belongs to Bio 221 at Towson University taught by Dr. Page in Winter 2016. Since its upload, it has received 4 views. For similar materials see Anatomy and Physiology I in Biology at Towson University.


Reviews for Brain Anatomy Terms and Locations


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 06/15/16
Brain Anatomy Nerve Structure Epineurium­ surrounds each nerve Perineurium­ surrounds each fascicle (bundle of nerve fibers) Endoneurium­ surrounds each myelin sheath of single nerve fiber Fasciculi­ clump of axons Meninges Dura Mater (superficial) Periosteal Layer­ top layer Dural Sinus (Superior Sagittal Sinus)­ blue part between two layers Meningeal Layer­ second layer Falx Cerebri­ (in longitudinal fissure) separates cerebral cortex Tentorium Cerebelli­ under cerebrum and cerebellum­ flat portion (where  cerebral cortex sits) Falx Cerebelli­ (back/bottom) between halves of cerebellum Arachnoid Mater (translucent with cob­web appendages) cant see on models Subarachnoid Space­ under arachnoid mater and above pia mater Cerebrospinal Fluid Pia Mater­ covers the brain/ around gray matter Regions Telencephalon­ big brain Cerebral Hemispheres (left vs right brain) Diencephalon­ top of brain stem Thalamus­ relay and process; top part of brain stem Hypothalamus­ regulate hormone release; below thalamus Third Ventricle­ hole in posterior thalamus Mesencephalon (rely passageways vision/auditory) Brain Anatomy Cerebral Peduncles­ ribbed part Corpora Quadrigemina­ four projections off back Cerebral Aqueduct­ line down from thalamus next to cerebellum which  cerebrospinal fluid drains down Metencephalon Cerebellum­ muscle movements; back big part Pons­ (sensory from cerebellum to cerebrum); top notch Fourth Ventricle­ indent in through aqueduct Myelencephalon Medulla Oblongata­ relay/ involuntary organ; bottom notch Gray Matter­ (brown looking) unmyelinated; somas and cell bodies and lots of fissures White Matter­ myelinated axons Cerebral Hemispheres Sulci­ grooves Central Sulcus­ groove separating frontal/parietal Gyri­ hills Precentral Gyrus­ motor commands Postcentral Gyrus­ sensory input Fissures Lateral sulcus­ temporal/frontal Parietoccipital sulcus­ pariteal/occipital Transverse sulcus­ cerebral/ cerebellum Lobes Frontal Parietal Temporal Brain Anatomy Occipital Cerebral Cortex­ functional areas Primary motor cortex­ precentral gyrus Somatic Motor association area (premotor cortex) Prefrontal association area Broca’s area­ motor speech Primary Sensory cortex­ postcentral gyrus Somatic Sensory association area Wernicke’s area­ general interpretive area Visual Cortex and association area Auditory Cortex and association area­ temporal lobe Olfactory Cortex­ below lateral fissure; smell Gustatory Cortex­ above lateral fissure; language Basal Nuclei Caudate nucleus­ like a C Lentiform Nucleus Putamen­ outside curved structure Globus Pallidus­ medial to putamen Internal Capsule (white matter) White Matter Tracts Projection Internal Capsule Association Commissural­ where nerve linings meet Corpus Callosum­ joins hemispheres of brain; right under cerebral cortex Brain Anatomy Septum Pelluidum­ 44; under and to the front corpus collosum circular Fornix­ below caudate nucleus and ventricles Olfactory Bulbs­ end of nerve under front brain  Thalamus Intermediate mass­ dot Lateral Geniculate Nucleus­ 43; outer upper worm line Medial Geniculate Nucleus­ 44; outer lower worm line  Hypothalamus Mammillary Bodies­ dots top middle of stem stem Optic Chiasm­ top outer notch above pituitary gland Pituitary Gland­ sticks off in the front Infundibulum­ white stalk connecting gland to chiasm Epithalamus­ pink line Pineal Body­ pit at end of line Midbrain­ top right of stem stem Cerebral Penduncles­ ribbed part; connects stem to cerebral cortex Corpora Quadrigemina­ all four colliculi  Superior Colliculi­ top bump back stem stem Inferior Colliculi­ bottom bump back stem stem Cerebellum­ ball below occipital lobe Hemispheres Vermis­ between hemispheres Cerebellar Peduncles­ ribbed part on pons; connects stem to cerebellum  Arbor Vitae­ tree branches Folia­ leaves/ brown part around branch Brain Anatomy Pons­ front top left of stem stem Medulla Oblongata­ bottom front left of stem stem Pyramids­ humps of medulla  Ventricular System Lateral Ventricles­ top two lines Interventricular foramen­ where mass would be Third Ventricle­ right near ^^ rd th Cerebral Aqueduct­ line down conecst 3  to 4  ventricle Forth Ventricle­ top medial stick out Lateral Apertures­ side stickout Median Apertures­ middle stick out below forth ventricle Central Canal­ bottom Arachnoid Granulations (Villi) Superior Sagittal Sinus­ right under skull; drains cerebrospinal fluid Choroid Plexus­ blood vessels through each ventricle Cranial Nerves Olfactory (I)­ (smell) frontal lobe bottom Optic (II)­ (vision) above pituitary gland Oculomotor (III)­  (up/in)above pons and under optic Trochlear (IV)­ (down+in) chokes top of stem stem Trigeminal (V)­ (triangle on face) branch 34 Opthalmic­ top branch Maxillary­ middle branch Mandibular­ bottom branch Abducens (VI)­ (eye move left and right/ 6 pack) left most middle long Facial (VII)­ (taste) middle long Vestibulocochlear (VIII)­ (hear) far outer long Brain Anatomy Glossopharyngeal (IX)­ (posterior tongue/ speech) under the above ones but on the side Vagus (X)­ (digestion/ anus) below above on side Accessory (XI)­ (spinal) long down the side Hypoglossal (XII)­ (tongue movement) middle small lines      On Occasion our trusty truck acts funny, very good vehicle any how SPINAL CORD Meninges Dura mater­ under fat line Epidural Space­ filled with fat Arachanoid Mater­ under dura mater Subarachnoid Space Cerebrospinal Fluid Pia Mater­ lining of spinal cord Posterior Median Sulcus­ middle back line Anterior Median Fissure­ middle front line Central Canal­ very middle tube Gray Matter­ triangle Posterior horn­ back Lateral horn­ outer Anterior horn­ front White Matter Posterior Column­ whole back area Lateral Column­ whole sides Anterior Column­ whole front side Cervical Enlargement­ E top fatter portion Lumbar Enlargement­ middle lower fatter portion Brain Anatomy Conus Medullaris (Medullary Cone)­ ice cream cone at end Cauda Equina­ horse tail Terminal Filum­ middle line Spinal Nerves­  Posterior (dorsal) root Posterior root ganglion­ fatter one (sensory input) Anterior (ventral) root­ motor output Nerve Plexuses­branching Cervical­top few Brachial­ top outer areas Lumbar­ top leg portion Sacral­ bottom near sacrum EYE Orbit Eyelids Levator palpebrae superioris muscle­ top muscle Eyelashes Lacrimal apparatus­ crying a lot­ travels out nose Lacrimal glands Lacrimal punctum Lacrimal canals Superior Inferior Lacrimal Sac Brain Anatomy Lacrimal Caruncle Nasolacrimal duct Lateral Canthus­ eyelids meet Medial canthus­ eyelids meet Conjunctiva­ membrane over front of eye  Extrinsic eye muscles Superior Rectus­ top of eye Inferior Rectus­ bottom of eye Lateral Rectus­ farthest from nose Medial Rectus­ closest to nose Superior oblique­ connects superior and medial Trochlea­ pulley Inferior oblique­ connects lateral and inferior Structure of Eyeball Wall Layers Fibrous Tunic Sclera­ white Cornea­ surface of eye Vascular tunic Choroid­ around retina Ciliary body­  Suspensory ligaments­ strings Ora Sera­ line before Retina Lens­ focuses light; behind pupil Iris­ pigment  Pupil­ black Brain Anatomy Neural Tunic/ Retina­ big back part (rods and cones) Rods Cones Macula Lutea­ surrounds fovea Fovea Centralis­ back notch of eye Optic Disc­ (blind spot) where nerve comes in Cavities and humors Anterior Cavity­  Anterior chamber­ between cornea and iris Posterior chamber­ before lens Aqueous humor­ fluid in anterior chamber Scleral venous sinus dots on side of cornea Posterior Cavity­ everything behind lens/ retina area Vitreous humor­ fluid in posterior cavity Visual Pathway Optic Nerve­ right behind eye Optic Chiasma­ where optic nerves meet Optic tract­ track from eyes to occipital lobe Lateral geniculate nucleus­ back end bulb of optic nerve Optic radiation­ fibers from ^ Visual cortex­ occipital lobe EAR External Ear­ funnels sound Auricle Lobule Auditory canal Brain Anatomy Ceruminous glands­ produce ear wax Middle Ear Tympanic membrane­ ear drum Oval window­ behind stapes; pushes in; membrane that will cause ripple in fluid behind  it Round Window­ pushes in Auditory Tube­ below round window where fluid gets released Auditory Ossicles Malleus­ gun Incus­ hammer Stapes­ stirrup Inner Ear Layers and fluids Osseous labyrinth­ bony covering of semicircular canals Perilymph­ between the two labyrinths  Membranous labyrinth Endolymph­ inside membranous  Areas Vestibule Utricle  Macula Utriculi (horizontal plane) Saccule­ movements in plane Macula Saccule (verticle plane) Semicircular canals­ bumps; circles/ angular movement of head Ampullae Brain Anatomy Cristae­ central part Cochlea­ 3 continuous ducts that are filled with fluid Vestibular membrane­ top and bottom canals Basilar Membrane­ vibrates up/down; middle Scala Vestibuli­ fluid in top Cochlear duct Spiral organ Hair cells­ innervated with nerves Tectorial membrane Scala Tympani­ fluid in bottom Vestibulocochlear nerve Vestibular nerve Cochlear nerve Auditory Pathways Cochlear nerve Cochlear nucleus­ medulla Inferior colliculus­ midbrain Medial geniculate nucleus­ thalamus  Auditory cortex­ inside of auditory meatus


Buy Material

Are you sure you want to buy this material for

0 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Amaris Trozzo George Washington University

"I made $350 in just two days after posting my first study guide."

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.