Class notes
Summary lecture 2 neuroanatomy
- Course
- Institution
Summary lecture 2 of neuroanatomy, with this summary I got a 9.4 on my exam!
[Show more]
Seller
Follow
mabel46
Reviews received
Content preview
Lec Brain Anatomy 2Nervous system:
- Central nervous system
- Peripheral nervous system
Neurons are the unit of the brain.
You have also ODC (oligodendrocytes);
myelinate the axons of the neurons. Via
myelination the neurons communicate
much more efficiently with each other.
Astrocytes gives food to neurons.
Microglia -> immune system of the brain.
If something is going wrong they
produce for example inflammatory
factors.
Orientation in neuroanatomy
Three dissection planes:
1. Sagittal
2. Coronal
3. Horizontal
Use more rostral and caudal.
Meninges (protect the brain)
Sheet organization; first line of protection for brain and spinal cord. Three layers:
- Dura mater; thick and hard
- Arachnoid mater; contains liquid (CSF)
- Pia mater; covers the cortex like a glove
Some places the meninges are thicker for example between the two hemispheres (Falx cerebri) and between
the cerebrum (encephalon) and cerebellum (tentorium cerebri).
, Cerebral lobes
Foramen magnum big hole in the cranium
where the spinal cord is.
Brain is divided in two hemispheres and in
different lobes.
- Frontal: action cortex
- Parietal: language and sensory
information
- Temporal: memory
- Occipital: visuo-spatial processing
Brain has wrinkle appearance. This gives
rise to important structures; gyri and
sulci.
Each lobe has different gyri and sulci.
Which are all connected to the function.
Frontal lobe for example has: superior,
middle and inferior frontal gyrus.
Sulcus centralis (separates the frontal
and parietal lobe) and sulcus lateralis
(difference the frontal and temporal
lobe) are important.
Cortex is really much evolved in humans. Connected with cortex and thinking.
- Gray matter: cell bodies of neurons
- White matter: connecting part between brain regions, axons. ODC
and myelin
Three categories of fibers in the white matter:
- Association fibers: connect different gyri together.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller mabel46. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.33. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now