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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.
All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
![Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_14_27_84951238.jpeg)
![The EEG of alert wakefulness, the EEG that precedes sleep onset, and the four stages of sleep EEG. ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_2_21_51_3039874.png)