What is the role of the following in thyroxin hormone secretion : hypothalamus, anterior loop of pituitary gland & thyroid gland? What is the meaning of : TRH, TSH & negative feedback? How do the levels of TSH, TRH & thyroxin affect each other?
2/17/2011 |
Posted in
endocrine system ,
featured ,
physiology ,
videos
|
Read More »
Where do the gastric glands are found? How do the pepsinogen is converted to pepsin? What are the functions of parietal cells and chief cells in the stomach?
2/13/2011 |
Posted in
GIT ,
physiology ,
videos
|
Read More »
How does skeletal muscle attach to bones? What are the parts of the skeletal muscle? How does the skeletal muscle contraction occur?
7/18/2010 |
Posted in
muscloskeletal ,
physiology ,
videos
|
Read More »
What are the parts of ear? Which part of the ear is responsible for hearing? What is the benefit of hear cells in the ear?
6/15/2010 |
Posted in
physiology ,
sensory system ,
videos
|
Read More »
What are the groups of red blood cells? What is the benefit from knowing the blood type? Why does type (O) is a universal donner?
6/15/2010 |
Posted in
CVS ,
immunology ,
microbiology ,
physiology ,
videos
|
Read More »
What are the layers which cover the tooth? What are the parts of the tooth? When do you feel pain from your tooth?
6/14/2010 |
Posted in
muscloskeletal ,
physiology ,
videos
|
Read More »
What are functions of villi and microvilli ? How do the carbohydrates, proteins and fats are digested in the small intestine ? What is lacteal and what is its function ?
6/14/2010 |
Posted in
GIT ,
physiology ,
videos
|
Read More »
What is the function of the lymph system? How does the lymph tissue return to the circulatory system? What are the contents of the lymph node?
6/14/2010 |
Posted in
CVS ,
immunology ,
microbiology ,
physiology ,
videos
|
Read More »
How does the nervous system effect on muscles? What is the role of nervous system in breathing? How does the nervous system control the body functions?
6/14/2010 |
Posted in
nervous system ,
physiology ,
videos
|
Read More »
What is the function of osteoplast and osteoclast? What is happened at fifteen years old for bone? What is the cause of bone fragility at seventy five?
6/14/2010 |
Posted in
diseases ,
muscloskeletal ,
physiology ,
videos
|
Read More »
What is the function of melanin? What are the contents of the derms? What is the function of subcutaneous tissue?
6/14/2010 |
Posted in
dermatology ,
physiology ,
videos
|
Read More »
What are the parts of digestive system? What is the role of amylase in digestion? What is lacteal and what is its function?
6/14/2010 |
Posted in
GIT ,
physiology ,
videos
|
Read More »
Where does spermatogenesis occur? What are the steps of spermatogenesis? How many are chromosomes in primary spermatocyte and spermitid?
6/13/2010 |
Posted in
physiology ,
reproductive system ,
videos
|
Read More »
What is the relation between LH, FSH hormones and menstrual cycle? What are the changes which occur in the ovary during the following phases : follicular phase, ovulation phase and luteal phase? What is happened for corpus luteum when pregnancy doesn't occur?
6/12/2010 |
Posted in
physiology ,
reproductive system ,
videos
|
Read More »
What is the function of the following : proximal convoluted tubule, loop of henle, distal convoluted tubule & collecting tubule ? Where do the following diuretics act and what is the mechanism of action of them : carbonic anhydrase, thiazides, loop diuretics & sodium channel blockers ? What is the following processes occur : filtration, reabsorption & collection ?
5/11/2010 |
Posted in
CVS ,
featured ,
pharmacology ,
physiology ,
urinary tract ,
videos
|
Read More »
How does a neurotransmitter as acetyl-choline transfer at a chemical synapse? What is the meaning of presynapse , postsynapse , action potential , synaptic cleft ? What is the role of neuro-transmitters vesicles, docking proteins & endocytosis in this process?
5/08/2010 |
Posted in
nervous system ,
physiology ,
videos
|
Read More »
What is the role of the following in the action potenial process: sodium, potassium, sodium potassium pump & ATP? What is the effect of action potiential process on the cell memberane charge? How does the action potenial occur?
5/08/2010 |
Posted in
nervous system ,
pharmacology ,
physiology ,
videos
|
Read More »
