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

BIOL 5600 Notes 2/10/16

by: LaurenC

BIOL 5600 Notes 2/10/16 BIOL 5600

Marketplace > Auburn University > Biology > BIOL 5600 > BIOL 5600 Notes 2 10 16

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

These notes come from the information covered in lecture on the date listed in the title. The topic most covered on this date was neuroglia cells.
Biomedical physiology
Dr. Mendonća
Class Notes
25 ?




Popular in Biomedical physiology

Popular in Biology

This 3 page Class Notes was uploaded by LaurenC on Wednesday February 10, 2016. The Class Notes belongs to BIOL 5600 at Auburn University taught by Dr. Mendonća in Winter 2016. Since its upload, it has received 29 views. For similar materials see Biomedical physiology in Biology at Auburn University.


Reviews for BIOL 5600 Notes 2/10/16


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: 02/10/16
Biomedical Physiology  2­10­16 Support cells/ neuroglia cells continued  Recap: ­Schwann cells: myelinate processes  ­The collection of white myelinated processes are called nerves (PNS) / tracts (CNS) ­The tracts start in the brain and come down the spinal column  ­Unmyelinated parts are the dendrites of multipolar neurons, cell bodies, and short axons  –Grey areas are usually synapse points  ­Axons are very short, and don’t need myelin ­In CNS, grey matter is called _____  ­In PNS, grey matter is called ganglia ­Myelination is important to speed of transmission ­Saltatory conduction (jumping of signals from node of Ranvier to node of Ranvier)  conducts very fast transmission.   Multiple sclerosis  ­Autoimmune disease ­Immune system attacks myelinated Schwann cells and oligodendrocytes ­The myelin is replaced with scar tissue, which doesn’t conduct correctly ­The speed of impulse is lost ­Progressive disease ­Often fatal  Schwann cells can help heal themselves.  ­Can develop regenerative tube.  ­if there is a severing or injury to a nerve process, they release nerve growth  factors and mend the gap. This can promote neuron growth.   Oligodendrocytes do not secrete nerve growth factors; they actually release nerve  inhibitory factors. This affects spinal injuries.    Astrocytes ­Ependymal cell that is found in the CNS  ­Most common glial cell type ­Provide attachment points to capillaries and other support structures ­Hold neurons in proper alignment ­Said to form the blood brain barrier (BBB) ­Control transport of nutrients into neurons ­Important in allowing and keeping out certain substances to brain central nervous system  EX. Hydrogen ions, toxins,   In brain there are cavities called ventricles, all linked together, and  eventually linked to the central canal. Opening to ventricles and central  canal to outside. Whole CNS is in a “bag” called the meninges. Inside the  ventricles and central canal, there is cerebrospinal fluid (CSF).   Ependymal cells ­Line surfaces of ventricles and central canal  ­Cuboidal cells ­Ciliated ­On the distal point of the cell there are cilia  ­Help make CSF, which yields protection ­Circulates the CSF with cilia ­Research says… possible source of neuronal stem cells. Important to  regeneration of neural tissue.   Meninges  ­Protection against shock to head ­Holds weight of CSF  Microglia cells ­Derived immune cells ­Come from special monocytes (modified monocytes) ­In and move around the CNS like white blood cells ­Phagocytic  ­Protect against microbes ­Breakdown and clear debris such as old dead cells  Nerves, dorsal and ventral roots are part of the PNS  The central gray is the butterfly looking structure ­Collection of nuclei (synapse points) ­Around the central gray is white matter (tracts) ­There are ascending tracts and descending tracts, information coming in and out  The afferent sensory input information always goes in the dorsal root. The dorsal  root has the afferent neurons in it.  The ventral root is where the motor output efferent information goes.   The interneurons are the connectors –interneurons start and end in the CNS  Vast majority are polysynaptic ­There are monosynaptic connections that are rare ­Monosynaptic means sensory info comes in and directly synapses with  something that goes out ­ Response is loosely termed reflex 


Buy Material

Are you sure you want to buy this material for

25 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

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

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.