Anatomy & Physiology
All contributors in Anatomy & Physiology
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 more...
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. more...
Blood and Circulatory System Functions
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 more...
EKG - Diagnostic Tool for Heart Disease
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 more...
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. more...
Sinus Anatomy, Sinus Problems & Sinusitis Basics
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. more...
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 more...
Umbilical Cord Function and Structure
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. more...
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. more...
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. more...
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. more...
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. more...
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. more...
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." more...
