搜尋結果
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.[2][7] These contrast with benign tumors, which do not spread.[7] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements.[1] While these ...
- 10 million annually (2019)
- Average five-year survival 66% (USA)
Klinefelter syndrome ( KS ), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [4] These complications commonly include infertility and small, poorly functioning testicles (if present). These symptoms are often noticed only at puberty, although this is one of the most common chromosomal disorders, occurring ...
- Two or more X chromosomes in males
The prostate ( / ˈprɒs.teɪt /) [1] is both an accessory gland of the male reproductive system and a muscle-driven mechanical switch between urination and ejaculation. It is found in all male mammals. [2] It differs between species anatomically, chemically, and physiologically. Anatomically, the prostate is found below the bladder, with the ...
Tropical Storm Hernan was a short-lived tropical cyclone that caused widespread flooding and destructive mudslides across southwestern Mexico in late August 2020. The eighth named storm of the 2020 Pacific hurricane season, Hernan formed to the southwest of Mexico on August 26. The cyclone peaked with maximum sustained winds of 70 km/h (45 mph ...
CRISPR (/ˈkrɪspər/) (an acronym for clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea.[2] These sequences are derived from DNA fragments of bacteriophages that had previously infected the prokaryote. They are used to detect and ...
China,[h] officially the People's Republic of China (PRC),[i] is a country in East Asia. With a population exceeding 1.4 billion, it is the world's second-most populous country. China spans the equivalent of five time zones and borders fourteen countries by land.[j] With an area of nearly 9.6 million square kilometers (3,700,000 sq mi), it is ...
0 (zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 has the result 0, and consequently, division ...
