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Sex linkage
Sex linkage is the
phenotypic expression of an
allele that is dependent on
the gender of the individual
and is directly tied to the
sex chromosomes. In such
cases there is a homogametic
sex and a heterogametic sex.
... > full story
Spinal muscular atrophy
Spinal Muscular Atrophy
(SMA) is a term applied to a
number of different
disorders, all having in
common a genetic cause and
the manifestation of
weakness due to loss of the
... > full story
Spina bifida
Spina bifida describes birth
defects caused by an
incomplete closure of one or
more vertebral arches of the
spine, resulting in
malformations of the spinal
cord. ... > full story
Muscle
Muscle is the contractile
tissue of the body and is
derived from the mesodermal
layer of embryonic germ
cells. Its function is to
produce force and cause
motion, either locomotion or
movement within internal
... > full story
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Biological tissue
Biological tissue is a collection of interconnected cells that perform a similar function within an organism. The study of tissue is known as histology, or, in connection with disease, ... > more -
Skeletal muscle
Skeletal muscle is a type of striated muscle, attached to the skeleton. Skeletal muscles are used to facilitate movement, by applying force to bones and joints; via contraction. They generally ... > more -
Eye Care
Healthy Aging
Attention Deficit Disorder
Diet and Weight Loss
Dieting and Weight Control
Sports Medicine
Bitemporal hemianopsia
Bitemporal hemianopsia (or Bitemporal hemianopia) is the medical description of a type of partial blindness where vision is missing in the outer half of both the right and left visual field. It is ... > more -
Stem cell treatments
Medical researchers believe that stem cell treatments have the potential to change the face of human disease and alleviate suffering. A number of current stem cell treatments already exists, although ... > more -
Chronic pain
Chronic pain was originally defined as pain that has lasted 6 months or longer. It is now defined as pain that persists longer than the normal course of time associated with a particular type of ... > more -
Exocrine gland
Exocrine glands are glands that secrete their products into ducts. They are the counterparts to endocrine glands, which secrete their products directly into the bloodstream. Typical exocrine glands ... > more -
Echocardiography
The echocardiogram is an ultrasound of the heart. Using standard ultrasound techniques, two-dimensional slices of the heart can be imaged. The latest ultrasound systems now employ 3D real-time ... > more -
Delayed onset muscle soreness
Delayed Onset Muscle Soreness (DOMS) is the pain or discomfort often felt 24 to 72 hours after exercising and subsides generally within 2 to 3 days. Once thought to be caused by lactic acid buildup, ... > more -
Diaphragm (anatomy)
In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity (with lung and heart) from the abdominal cavity ... > more
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