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Training Collections
Library Memberships
Black Friday Save 30%On-demand course library with video lectures, expert case reviews, and more
Fellowship Certificate™ Programs
Black Friday Save 30%Practice-focused training programs designed to help you gain experience in a specific subspecialty area.
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Black Friday Save 40%Unlock access to our full Course Library and all self-paced Fellowships.
Noon Conference (Free)
Get access to free live lectures, every week, from top radiologists.
Case of the Week (Free)
Get a free weekly case delivered right to your inbox.
Dr. Resnick's MSK Conference
BLACK FRIDAY SAVE 30%Learn directly from the MSK Master himself.
Lower Extremities MRI Conference
Musculoskeletal Imaging
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Supplement your training program with case-based learning for residents, registrars, fellows, and more.
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Upskill in high growth, advanced imaging areas.
Emergency Call Prep
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Lesson
Surface Anatomy of the Brain, Sulci & Gyri
19 topics, 41 min.
Introduction to Gross Anatomy of the Brain
4 m.Frontal Lobar Anatomy
5 m.Sylvian Fissure
3 m.Middle Frontal Gyrus
2 m.Inferior Parietal Lobule
2 m.Central Sulcus of Rolando
3 m.Intraparietal Sulcus
2 m.Localizing the Intraparietal Lobule Part 2
2 m.Localizing the Intraparietal Lobule Part 3
2 m.Pars Marginalis
2 m.Parieto-occipital Sulcus
2 m.Pars Marginalis on Axial Imaging
3 m.Midline Sagittal Commissures
2 m.Basic Brainstem Anatomy
2 m.Midline Cerebellum (Vermis)
3 m.Midline Cisterns and Spaces
2 m.Midline Sagittal Blood Supplies
4 m.Midline Skeletal Anatomy
3 m.Miscellaneous Midline Structures
3 m.Lesson
MRI Mastery Series: Cranial Nerve Anatomy
52 topics, 2 hr. 14 min.
The Olfactory Nerve – Cranial Nerve I
4 m.The Olfactory Bulb
5 m.The Olfactory Tracts
5 m.The Optic Nerve – Cranial Nerve II
3 m.The Globe and Optic Pathway
5 m.Chiasm & Retrochiasmatic Pathway
3 m.Destinations of Optic Nerve Signals
3 m.The Oculomotor Nerve – Cranial Nerve III
4 m.Oculomotor Nerve: Course, Adjacent Structures & Destination
4 m.Oculomotor Nerve: Nuclei and Intramedullary Course
3 m.Third Nerve Syndromes
5 m.The Trochlear Nerve - Cranial Nerve IV
3 m.Trochlear Nerve: Course and Pathologies
3 m.The Trigeminal Nerve – Cranial Nerve V
3 m.Trigeminal Nerve Synapses in the Brainstem
6 m.Nuclear Anatomy and Position of the Trigeminal System
4 m.Parasympathetic Ganglia Anatomy of the Head and Neck
2 m.MRI anatomy of the Submandibular Ganglion
4 m.MRI Anatomy of the Pterygopalatine Ganglion
3 m.Trigeminal Nerve - V1 Division
2 m.Trigeminal Nerve - V2 Division
2 m.Trigeminal Nerve - V3 Division
3 m.The Abducens Nerve – Cranial Nerve VI
3 m.Cranial Nerves 1-6: Review
3 m.Abducens Nerve Nucleus and Nerve
4 m.Identifying the Cisternal Abducens Nerve
3 m.The Facial Nerve: Nucleus and Intramedullary Course
3 m.The Facial Nerve – Cranial Nerve VII
2 m.Facial Nerve: Medullary, Cisternal, and Canalicular Segments
3 m.Seventh Nerve Segments on MRI
5 m.Facial Nerve: Motor, Sensory, and Parasympathetic Branches
2 m.Proximal Branches of the Facial Nerve
3 m.Distal Branches of the Facial Nerve
2 m.The Posterior Auricular Nerve
2 m.The Greater Petrosal Nerve
2 m.The Vestibulocochlear Nerve – Cranial Nerve VIII
4 m.Cranial Nerves 7 & 8: Cisternal Course at the CPA
2 m.Vestibulocochlear Nerve: Cochlea and Internal Auditory Canal
2 m.Glossopharyngeal Nerve – Cranial Nerve IX
2 m.Glossopharyngeal Nerve Course
2 m.Exit of the Glossopharyngeal Nerve
2 m.Nuclei of the Glossopharyngeal Nerve
3 m.Glossopharyngeal Nerve Summary
2 m.The Vagus Nerve – Cranial Nerve X
2 m.Nuclei of the Vagus Nerve
2 m.The Innervations of the Vagus Nerve
4 m.Function of Vagal Nuclei
3 m.Accessory Nerve – Cranial Nerve XI
2 m.Accessory Nerve Summary
3 m.The Hypoglossal Nerve – Cranial Nerve XII
3 m.The Descent of the Hypoglossal Nerve
2 m.The Real Origin of the Hypoglossal Nerve
2 m.0:00
Dr. P here with the 7th nerve.
0:02
Just want to say a few words about the
0:03
distal branches of the 7th nerve.
0:06
You may have gotten the impression the posterior auricular
0:09
nerve comes off over here.
0:10
It actually comes off right as the nerve
0:13
leaves the stylomastoid foramen.
0:16
It's not a nerve that you can see,
0:17
but you can follow the facial nerve down.
0:20
And you should as it exits the brain.
0:22
There you have it, right there.
0:24
Still have it,
0:25
still have it,
0:25
still follow it.
0:26
And now, it is starting to head towards the parotid gland.
0:31
So, I just want to say a word about
0:32
the posterior auricular nerve again.
0:34
It controls movements of some scalp muscles around the
0:38
ear as a branch to the posterior belly of digastric,
0:41
as well as the stylohyoid muscle.
0:43
The reason I mention it is nobody ever
0:45
thinks about what that nerve does.
0:47
And then as it moves into the parotid gland,
0:49
you remember the mnemonic,
0:50
Two Zebras Bit My Cow.
0:52
And this formulates
0:54
the mnemonic for the branches in the parotid plexus,
0:57
temporal, zygomatic, buccal, marginal mandibular,
1:01
and cervical branch.
1:03
So now, I'd like to move on
1:05
and cover in the next vignette
1:07
the petrosal nerve, which is an important one.
The Posterior Auricular Nerve
HIDEInteractive Transcript
0:00
Dr. P here with the 7th nerve.
0:02
Just want to say a few words about the
0:03
distal branches of the 7th nerve.
0:06
You may have gotten the impression the posterior auricular
0:09
nerve comes off over here.
0:10
It actually comes off right as the nerve
0:13
leaves the stylomastoid foramen.
0:16
It's not a nerve that you can see,
0:17
but you can follow the facial nerve down.
0:20
And you should as it exits the brain.
0:22
There you have it, right there.
0:24
Still have it,
0:25
still have it,
0:25
still follow it.
0:26
And now, it is starting to head towards the parotid gland.
0:31
So, I just want to say a word about
0:32
the posterior auricular nerve again.
0:34
It controls movements of some scalp muscles around the
0:38
ear as a branch to the posterior belly of digastric,
0:41
as well as the stylohyoid muscle.
0:43
The reason I mention it is nobody ever
0:45
thinks about what that nerve does.
0:47
And then as it moves into the parotid gland,
0:49
you remember the mnemonic,
0:50
Two Zebras Bit My Cow.
0:52
And this formulates
0:54
the mnemonic for the branches in the parotid plexus,
0:57
temporal, zygomatic, buccal, marginal mandibular,
1:01
and cervical branch.
1:03
So now, I'd like to move on
1:05
and cover in the next vignette
1:07
the petrosal nerve, which is an important one.
Report
Description
Faculty
Stephen J Pomeranz, MD
Chief Medical Officer, ProScan Imaging. Founder, MRI Online
ProScan Imaging
Tags
Temporal bone
Salivary Glands
Neuroradiology
MRI
Head and Neck
Brain
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