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Brain Development and Expoloration
N/A
54
Medical
12th Grade
05/01/2011

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Cards

Term
The Brain Is Made Up Of ____ Billion Neruons.
Definition
100 Billion Neurons
Term
Neurons are surround by a _____
Definition
Cell Membrane
Term
What is inside a neuron in which contains genes?
Definition
Nucleus
Term
Neurons Also Contain ____ _____ & other _______.
Definition
Cytoplasm, Mitochondria, & other Organelles.
Term
Dendrites bring information where?
Definition
To The Cell Body
Term
How Do Neurons Communicate With Eachother?
Definition
Through an Electrochemical Process.
Term
Neurons form specialized connections called ___ and produce special chemicals called ____.
Definition

Neurons form specialized connections called synapse and produce special chemicals called neurotransmitters.

Term
The Part of the Neuron that releases neurotransmitters into the synaptic cleft is the _______.
Definition
The Presynaptic Terminal
Term
_____ is the fatty material surrounding axons.
Definition
Myelin
Term
the ____ takes information away from the cell body.
Definition
axon
Term
The Gaps In The Myelin Sheath
Definition
Nodes of the Ranvier
Term
This part of the neuron contains the nucleus.
Definition
Soma
Term
Takes Information TO the cell body.
Definition
Dendrites
Term
The Organelle In Neuron That Contains Genetic Material.
Definition
The Nucleus
Term
What Is The Definition of "Neuroanatomy"
Definition
The structure of the nervous system and it's functions.
Term
These are the two systems that divides the 'Nervous System'
Definition
Central Nervous System & Peripheral Nervous System
Term
The CENTRAL NERVOUS SYSTEM Is Divided Into These Two Parts:
Definition
Brain and Spinal Cord
Term
What Are Support Cells Called?
Definition
Glia
Term
The PERIPHERAL NERVOUS SYSTEM is divided into three parts:
Definition
Somatic, Autonomic, and Enteric.
Term
The SOMATIC nervous system has nerve fibers that send info to the ___ nervous system and motor fibers that get sent to _______.
Definition
Central Nervous System, Skeletal Muscles.
Term
The AUTONOMIC NERVOUS SYSTEM is divided into these three parts:
Definition
Sympathetic, Parasympathetic, and Enteric.
Term
The AUTONOMIC NERVOUS SYSTEM controls:
Definition
smooth muscles, internal organs, and glands.
Term
The ENTERIC nervous system is a meshwork of nerve fibers that helps with:
Definition
The GI Tract, Pancreas, and Gall Bladder.
Term
The Word CORTEX comes from the latin word ___.
Definition
Bark [of a tree]
Term
The Cortex is:
Definition
a sheet of tissue that makes up the outer layer of the brain.
Term
The Thickness of the cerebral cortex varies from:
Definition
2-6mm
Term
The thick band of nerve fibers connecting the cerebral cortex is:
Definition
The Corpus Callosum
Term
The Four Lobes of the Brain Are:
Definition
Frontal, Parietal, Temporal, Occipital
Term
The Parietal Lobe Controls:
Definition
Touch, Pressure, Temperature, Pain
Term
The Occipital Lobe Controls:
Definition
Vision
Term
The Frontal Lobe Controls:
Definition
Reasoning, Planning, Speech, Emotions.
Term
The Temporal Lobe Controls:
Definition
Hearing and Memory
Term
How Many Neurons Are In The Average Brain?
Definition
100 Billion
Term
Why Are Neurons Unique?
Definition
The have dendrites and axons, they communicate with eachother through electrochemical processes, and they contain specialized structures.
Term
What Is Inside A Neuron?
Definition
Nucleus, Neucleolus, Nissl Bodies, Endoplasmic Reticulum, Golgi Apparatus, Microfilaments/Neurotubles, Mitrochondria.
Term
How Many Different Basic Neural Speeds are there?
Definition
Four.
Term
What defensive weapon do spiders, snakes, scorpions and some bees have in common?
Definition
They all have neurotoxins for defense.
Term
what would happen to your behavior if your glia stopped functioning?
Definition
your entire nervous system would change. it would not function as normal.
Term
In which year did Phineas Gages' accident take place?
Definition
1848
Term
How thick was the rod that impacted Phineas Gages' skull?
Definition
1.25 inches
Term
Did the rod injure Phineas Gages' Eye?
Definition
Yes.
Term
Although Phineas Gage recovered physically, what changed?
Definition
His Personality.
Term
How long after the accident did Phineas pass away?
Definition
12 years after.
Term
Where is Phineas' skull today?
Definition
Warren Medical Museum at Harvard University.
Term
The part of Phineas' brain that was most damaged?
Definition
His Frontal Lobe, which controls social behavior and personality.
Term
How Long was the tamping rod, and how much did it weigh?
Definition

Length: 3ft 7in

Weight: 13.5lbs

Term
How long did it take Phineas to recover?
Definition
10 Weeks in the Hospital.
Term
Who was Phineas' doctor?
Definition
Dr. Harlow
Term
Some Examples of the Descriptions that describe the 'new' Phineas:
Definition
Fitful, Irrelevant, Impatient, and Obstinate
Term
Phineas was not hired back to his old job after the accident because:
Definition
of his changed personality.
Term
How many different stages of sleep are there?
Definition
Four.
Term
What percentage of people dream in color?
Definition
60%
Term
What is the machine called in which doctors record brain activity while you sleep?
Definition
Electroencephalograph
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