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Anatomy & Physiology
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Last 30 days
Lakshmi Ananth
Andy Luttrell
David Olle
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Anatomy & Physiology
Nov 23, 2009
Peristalsis in Intestine for Digestion
In: Digestive System
By: Lakshmi Ananth
Peristalsis, the reflex propulsive movement in the gastrointestinal tract mediated by the myenteric plexus, helps propel food forward and aids digestion and absorption
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Nov 21, 2009
Umbilical Cord Stem Cells
In: Cells/Tissues/Membranes
By: Diane Ursu
Umbilical cord blood is a tissue that contains stem cells. Umbilical cord blood banking can replace bone marrow collection when these cord stem cells are needed.
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Nov 19, 2009
Blood and Circulatory System Functions
In: Cells/Tissues/Membranes
By: Lakshmi Ananth
Blood in the circulatory system has functions ranging from oxygen, nutrient and hormone transport to immunity, clotting and even body temperature regulation
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Nov 16, 2009
EKG - Diagnostic Tool for Heart Disease
In: Cardiovascular System
By: Lakshmi Ananth
The electrocardiogram (ECG or EKG) is a simple, noninvasive diagnostic tool to detect and monitor heart problems like heart attack and heart failure
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Nov 14, 2009
Two Different Colored Eyes Condition
In: Anatomy & Physiology (general)
By: Thomas Wyatt
Heterochromia refers to a difference in coloration of the iris of eyes. Present in full and partial levels, this harmless condition results from differences in melanin.
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Nov 10, 2009
Sinus Anatomy, Sinus Problems & Sinusitis Basics
In: Respiratory System
By: Lakshmi Ananth
Paranasal sinus anatomy and function explain the basis for sinus problems like sinus headache and sinus congestion, and measures for sinus pressure relief.
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Nov 8, 2009
Cerebellum – Balance & Motor Control in Brain
In: Nervous System
By: Lakshmi Ananth
The cerebellum, with its rich neural network, is the brain center responsible for motor control over voluntary muscles, muscle tone and maintenance of balance
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Nov 5, 2009
Umbilical Cord Function and Structure
In: Reproductive System
By: Bridget Coila
Fetal blood circulation depends on an efficient blood supply back and forth between baby and placenta. The umbilical cord performs this function in the womb.
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Nov 3, 2009
The Sense of Smell
In: Nervous System
By: Andy Luttrell
The olfactory system consists of a collection of odor receptors that send a message to the brain when they detect a smell. This is just one of the chemical senses.
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Nov 2, 2009
How the Ear Works
In: Nervous System
By: Andy Luttrell
The cochlea, a structure in the inner ear, changes sound waves into electrical signals that get sent to the brain. The cochlea also determines the pitch of sounds.
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Nov 2, 2009
New Neuronal Growth in the Adult Brain
In: Nervous System
By: David Olle
New neurons continue to form in the adult brain. Challenging mental exercises help to maintain these neurons and to improve brain cognitive function.
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Nov 1, 2009
Uses for Urine
In: Anatomy & Physiology (general)
By: Mary Earhart
Urine contains antibodies, hormones, vitamins and minerals. In emergency situations urine treatment can save lives. Some drugs are made from urine and it has folk uses.
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Oct 31, 2009
How Vision Works in the Brain
In: Nervous System
By: Andy Luttrell
Once light enters the eye, its message is sent to a number of brain parts. These places in the brain construct pictures and tell the body how to respond.
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Oct 30, 2009
How Eyes Tell the Brain What They "See"
In: Nervous System
By: Andy Luttrell
When light enters the eye, specific neurons in the retina must respond to the information and send a message to the brain. This is a process called "phototransduction."
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