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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Giant cell tumor of tendon sheath. Giant cell tumor of tendon sheath.
The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ... The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ...
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Difference-Between-Carbohydrates-and-Lipids-infographic Difference-Between-Carbohydrates-and-Lipids-infographic
Sensitivity study for facial difference Sensitivity study for facial difference
Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ... Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ...
Video: Studying the Left and Right Brain Independently

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