The study of the factors determining the distribution and frequency of the occurence of health-related coditions within a defined human population.
A form of acidosis resulting from excessive ketones in the blood due to an incomplete breakdown of lipids. Often occurs during starvation and acute attacks of diabetes mellitus.
The process of seperating smaller solute molecules from larger ones in a solution by means of diffusion through a selectively permeable membrane. This process is used in artificial kidneys to cleanse the blood of metabolic wastes.
An increase in the size of an organ or muscle due to an increase in the size of the cells. This is the normal response of muscles to weightlifting.
Hollow microscopic sacs formed of phospholipids that can be filled with a variety of drugs.
A change in the DNA base sequence leading to incorporation of "incorrect" amino acids in particular positions in the resulting protein. This may (or may not) impair or stop the protein's normal functioning and may cause disease.
Also known as mongolism, this condition usually reflects the presence of an extra autosome. Children born with this may have slightly slanted eyes and flattened facial features, a tendency towards short stature and may be mentally retarded.
An abnormal segregation of chromosomes during meiosis, resulting in gametes recieving two or no copies of a particular chromosome, which upon fertilization can result in monosomy or trisomy of that chromosome.
An inherited disorder in which certain fatty acids accumulate and thereby cause seizures, nervous system degeneration and death in childhood.
An inherited disorder in which the melanin pigment is not produced in the skin or the hair.
amyotrophic lateral sclerosis
An inherited disorder that causes the progressive weakening of the muscles, beginning in adulthood.
Duchenne muscular dystrophy
An inherited disorder in which the lack of the dystrophin protein causes the skeletal muscle cells to collapse, thus destroying muscles.
An inherited disorder which, upon reaching adulthood, is seen as a loss of coordination, having uncontrollable movements and even personality changes.
An inherited disorder in which the body cells cannot utilize copper and thus causes twisted hair, weak arteries, scurvy, poor growth and brain degeneration.
An inherited disorder wherein the person has extra digits (i.e., extra fingers or toes).
An inherited disorder in which the person appears to go through extreme premature aging during childhood.