Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Rubella rash in a young child. Rubella is also called 3-day measles or German measles.
Each allele of codominant genes is fully expressed in heterozygotes. Type A blood has A antigens on
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
The chromosome locations for BRCA1 and BRCA2. Together, these genes account for the majority of case
Evolution of genes derived from the cyanobacteria-like endosymbiont