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BIO SCI 45 Study Guide - Spring 2018, Comprehensive Midterm Notes - White Matter, Syndrome, Myelin


Department
Biological Sciences
Course Code
BIO SCI 45
Professor
Naomi Morrissette
Study Guide
Midterm

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BIO SCI 45
MIDTERM EXAM
STUDY GUIDE
Fall 2018

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BioSci 37 Lecture 1
● Dementia is an umbrella
Irreversible
Alzheimer's
Parkinsons
Reversible, less common
Infections
Sensory neurons bring info to central nervous system
● Interneurons associate sensory and motor activity in central nervous system
Motor neurons send signals from brain and spinal cord to muscles
Planes of viewing brain
Sagittal
Side
Coronal
Front
Horizontal
From the top
● Dermatomes are regions of the skin that the spinal nerves innervate
Cranial nerves innervate the face
12 nerves
Eyes, chewing, mouth, vagus nerve
Locked in syndrome is complete paralysis
Maybe result from stroke or traumatic brain injury
These diseases destroy myelin sheath
Eukaryotic cells
Blood brain barrier doesn’t allow things to enter the brain
Antibiotics can’t get to the brain bc they’re too large
● Microcephaly is when the brain doesn’t develop
● Hydrocephalus is when the brain is too big
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water on the brain enlargement of ventricles with CSF
Crushes brain tissue causing a variety of symptoms and even death
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