|
|
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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.
![For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu](https://biology-forums.com/gallery/47/medium_501194_15_04_16_8_31_57_234651769.jpeg)
![Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ...](https://biology-forums.com/gallery/47/medium_665046_28_02_17_7_54_44_2589934.jpeg)
![A PCV valve shown in a cutaway valve cover showing the baffles that prevent liquid oil from being ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_17_24_30123356.png)
![Some vehicles will display a message if an evaporative control system leak is detected that could ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_22_00_30145645.png)