The study of malaria. Someone who is versed in malariology is a malariologist.
- Malattia leventinese
An hereditary form of macular degeneration that results in progressive and irreversible visual loss. This disease is characterized by the appearance in early adulthood of small round white spots (drusen), particularly in the macula of the retina, which progress to form a honeycomb pattern. Malattia leventinese is inherited in an autosomal dominant manner. The disease […]
The sex that produces spermatozoa.
- Male breast cancer
Breast cancer in men. Male breast cancer is much less common than breast cancer in women. Fewer than 1 percent of persons with breast cancer are male. However, breast cancer is no less dangerous in males than in females. After the diagnosis of breast cancer is made, the mortality rates are virtually the same for […]
- Male chromosome complement
46 chromosomes, including 1 X and 1 Y chromosome. A minority of males have other chromosome constitutions, such as 47,XXY (47 chromosomes, including 2 X chromosomes and 1 Y chromosome) or 47,XYY (47 chromosomes, including 1 X and 2 Y chromosomes).
- Male condom
The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking the passage of sperm. It is a barrier method of contraception. A condom can be used only once. Although some condoms have spermicide added (the spermicide is usually nonoxynol-9 in the United States) to kill sperm, spermicide has […]