DOC PREVIEW
UT Arlington BIOL 3322 - Continue Nervous System
Type Lecture Note
Pages 3

This preview shows page 1 out of 3 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 3 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 3 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

BIOL 3322 1nd Edition Lecture 3 a. Cortexi. Cortical layers cytoarchitectonic mapii. 6 layers of cells (gray matter)iii. Memory cortexiv. Precentralv. Integrative – sensory output to other parts of the brain (efferent)vi. Sensory cortexvii. Post central cortexII. Somatic NSa. Monitored & controlled by the CNSb. Cranial nerves by the braini. Olfactory – smellii. Optic – visioniii. Oculomotor – eye movement iv. Trochlear – eye movementv. Trigeminal – masticatory movements & facial sensationvi. Abducens – eye movement vii. Facial – facial movement & sensationviii. Auditory vestibular – hearing & balanceix. Glossopharyngeal – tongue & pharynx movement & sensationx. Vagus – heart, blood vessels, viscera, movement of larynx & pharynxxi. Spinal accessory – neck musclesxii. Hypoglossal – tongue musclesc. Spinal nerves by the spinal cord segmentsi. Dermatome – area of the skin supplied with afferent nerve fibers by a single spinal cord dorsal rootii. Cervical nervesiii. Thoracic nervesiv. Lumbar nervesv. Sacral nervesd. Connections of the somatic NSi. Sensory neuron – fibers entering the dorsal root being sensory info from sensory receptorsii. Motor neuron – fibers leaving the ventral root carry motor info to the musclesiii. (inside gray matter) collateral branches of sensory neurons may cross to the other side & influence motor neurons thereiv. White matter fiber tracts carry info to & from the brainIII. Autonomic NS These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.a. Sympathetic – fight or flightb. Parasympathetic – rest & digestIV. Ten principlesa. 1 – NS produces movement w/in a perceptual world the brain createsb. 2- details of NS functioning are constantly changing an attribute call beuroplasticityc. 3 – terms of the brain are organized into multiple parallel pathwaysd. 4 – the CNS functions on multiple levelse. 5- brain is both symmetrical & asymmetricalf. 6 – brain systems are organized both hierarchically & in parallel subsystems of the brain are organized into multiple parallel pathways. Yet out conscious experiences are always unified g. 7 – sensory & motor divisions exist throughout NSh. 8 – sensory input to the brain is divided for objects recognition & motor controli. Dorsal stream – actionii. Ventral stream – recognitioni. 9 – functions in the brain are both localized & distributedj. 10 – NS works by juxtaposing excitation & inhibitionV. Units of the NS functiona. Cells of the NS b. Internal structure of a cellc. Genes, cells & behaviorVI. Human NS is comprised of 2 kinds of cells a. Neurons b. GliaVII. Neurons (what are they? Early 1990’s debate)a. Golgi b. cajalVIII. 3 basic subdivisions of the neurona. Dendrites b. Cell body or somac. AxonIX. Basis of into processing a. Dendritic spines – info from other neurons is collected at dendritesb. Axon hillockc. Axon collateralsd. Teleodendria e. Terminal button – then to the terminal where it passed onto its targetf. SunapseX. Information flow – dendrite to cell body to axon to end footXI. Different types of neurona. Sensory neurons bring info to the CNSb. Interneurons – associate sensory & motor activity in the CNS c. Motor neurons – send signals from the brain & spinal cord to musclesXII. 5 types of neurons (glial cells)a. Ependymal cells – hydrocephalusb. Astrocytec. Microglia – phagocytosisd. Oligodendroglia cell – myeline. Schwann cell – multiple


View Full Document
Download Continue Nervous System
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Continue Nervous System and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Continue Nervous System 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?