By: Lonnette Harrell
The technology now exists to grow back a missing fingertip, and scientists are hopeful that in the very near future, limbs, arteries, and major organs, such as hearts and bladders, can be regrown from a patient's own cells. It's called regenerative medicine, and in theory...
What is the prostate gland?
By: Ajgar Gand
The article defines prostate gland to hopefully give you a better understanding of prostate gland. Prostate gland can be defined in many ways. The complicated definition given on wikipedia is as follows: The prostate is a compound tubuloalveolar exocrine gland of the male mammalian reproductive...
By: John Brown - 279899
AIDS is Acquired Immume Deficiency Virus and it is caused vy the human immunodeficiency virus (HIV). Viruses are not like living cells such as bacteria and fungi which can absorb nutients, break them down into their components, and use the energy trapped in these components...
By: Alicia M Prater PhD
Bird flu, also called avian flu, is caused by an influenza virus that normally only infects birds, though it is becoming more common in pigs. Avian flu is a strain of type A influenza known as H5N1, different from the swine flu of the recent...
The eustachian tubes explained
By: Alicia M Prater PhD
Ear tubes are actually called Eustachian tubes, or the auditory tubes. They are short, small cartilage and bone canals that connect the middle ear, an air-filled cavity, and the nasopharynx, which is better pictured as the lower nasal cavity behind the mouth. This allows air...
The structure of the ear
By: Morgan Nielsen
Understanding how humans hear is a complex subject involving the fields of physiology, psychology and acoustics. But the structure of the ear in basics is very simple to understand.The ear, or organ of hearing, is divisible into three parts: the external ear, the middle...
The human reproductive system
By: Alicia M Prater PhD
The reproductive system consists of internal and external sex organs and glands necessary for sexual reproduction. Which structures are present depends on a given individual's sex. Sex hormones are chemicals released into the blood to direct the development of male and female sex organs, secondary...
By: Jennifer Moll
Alopecia areata is a common autoimmune disease, in which the body attacks its own hair follicles and suppresses hair growth, which results in hair loss on the scalp and other areas of the body. Alopecia areata does not cause scarring. The loss of hair is...
Different types of blood vessels
By: Alicia M Prater PhD
The circulatory system is a complex network of muscular and elastic tubes, called vessels, that connect all of the tissues to a central pump - the heart. Life is dependent on nutrients and oxygen getting to each and every tissue and cell within the human...
Medical Technology: Living to 100 and beyond
By: Chenell Tull
The life expectancies of the world have been climbing dramatically since the end of World War II when the average longevity of life, for the first time, exceeded fifty years old. Since the 1980's, Japan and Iceland have been fighting for the top life expectancy...

 

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