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61 Cards in this Set

  • Front
  • Back

The brain is split into three regions

1) Cerebrum/Cerebral Cortex


2) Cerebellum/ Cerebeller Cortex


3) Brain Stem



The Brain is also split up a different way, these sections each have specific functions

1) Forebrain


2)Midbrain


3) Hindbrain

The Central Nervous System includes these organs:

1) Brain


2) Spinal Cord

The Forebrain contains:

Embryonic Developments:




1) Telencephalon


2)Diencephalon




Parts:




Cerebral Cortx, Basil Ganglia, Limbic System, hypothalmus, and thalmus.

The Midbrain contains:

Embryonic Structures:


Mesencephalon




Parts:


Tectum and Tegmentum



Hindbrain contains:

Embyronic Sturctures:


Metencephalon and Mylencephalon




Parts:


Cerebellum, Medulla, and pons.

Coronal Plane

Cut parallel to the face

Cut parallel to the face

Sagaittal Plane

Cut right down the middle of the brain.


ex: mid sagittal, 
paralateral-next to the mid line/mid sagittal

Cut right down the middle of the brain.




ex: mid sagittal,


paralateral-next to the mid line/mid sagittal



Horizontal Plane

Parallel with the floor.

Parallel with the floor.

Rostral

"Towards the beak", the front part of the brain

"Towards the beak", the front part of the brain

Caudal

Towards the Back

Towards the Back

Ventral

The bottom

The bottom

Dorsal

Top

Top

Nucleus

Consists of neuronal cell bodies, dendrites, and gilia. Can be made into sheets, for ex, the cortex of the brain. ***CONTEXT OF THE BRAIN! NUCLEI OF THE BRAIN DO NOT CONTAIN DNA!***

Tract

a pathway in the brain that is made up of neurons of the same origin and axons. They all have a similar destination they need to go to. (thus making a tract.) * They're Mylenated* Tract names are base on their origin and their direction.

Afferent

Projecting toward the brain

Efferent

Projecting away from the brain (ie motor cortex)

Dessucate

Cross over to the oppisite side

Systems are ___

1) Complex organazations of many organs the focus on one (or many) goals. Ex: motor, visual, somasensory, etc.

Grey Matter

Neuronal somas that are arranged into nuclei or cortex

White Matter

Made up of myelinated and unmylinated axons.

Myelin

Myelin is made by oligodendrocytes that speed the process of eletrical messages down the neuronal axon.

Diencephalon cantains the

thalmus and hyperthalmus

What is a cluster of neuronal somas in the peripheral nervous system called?

ganglion

What is the embryonic region of the brain that contains the cerebral cortex?

Telencephalon

Vascular Like structures dangling from ventricles

choroid plexus

Longitudinal Fold of Dura

Falk Cerebri

Outer boney shell

cranium

Histamine Nucleus in Hypothalmus

Tuber Cinereum

This gland, the posterior of the piturary lobe, that sectretes 2 hormones: vasopressin (andidiurectic hormone), and oxytoxin.

Neurophypophysis

Sits in the Sella Turcica

Pituitary Gland

Space between the dura and the cranium

epidural

Embroyonic division of the brain that includes the pons and cerebellum

Metencephalon

Composed of dendrites and Somas

Grey Matter

A cluster of of neuronal somas in the peripheral nervous system

ganglion

type of matter composed of mylientated tracts

white matter

A collection of axons in the peripheral nervous system

Nerve

Relative direction toward the tail

caudal

Branch of the nervous system that contains both the sympathetic and parasympathetic subdivisions

autonomic

Portion of the brain that contains the cerebral hemispheres, thalmic, and hypothalmic nuclei

Forebrain

General term for containing the pons, medulla, and cerebellum

hindbrain

Points of Specific connections between left and right hemispheres.

commissures

Embryonic division of the brain that contains the midbrain

mesencephalon

Area of the brain that is between the forebrain and hindbrain

midbrain

Dissection down the midline in the sagittal plane

mid sagittal

A deep cluster of neuronal somas in the central nervous system

nucleus

Extension of the central nervous system caudal to the brain

spinal cord

a collection of axons on the central nervous system

tract

The sensory and motor cortex cariture

humonculus

cortex other than primary, sensory, motor, auditory, and visual

association cortex

Function of post-central gyrus in humans

somatosensory

Largest area of cortex

cerebrum

Pre-central gyrus in humans

motor cortex

What is the function of the Entorhinal Cortex?

It relays information to the hippocampus

What is the function of the Insula?

it mediates disgust, and other visceral responses. It has a role in cravings and motivated behaviors.

Limbic Lobe

mediates olfaction and memory



Orbitofrontal cortex

integrates cognition and emotional processes. They modulate judgement, impulsive behavior, and motivation for reward.

What is the function Prepyriform?

mediates olfaction

What is the function of the Pryiform?

lobe mediates olfaction and memory

Spinal Cord?

mediates reflexive behaviors and provides sensory inputs and outputs all over the body.

What is the function of the Uncus?

It is the primary olfactory cortex