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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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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

The pituitary gland lies just underneath the brain. It is subdivided into anterior and posterior lob The pituitary gland lies just underneath the brain. It is subdivided into anterior and posterior lob
Hormones Location of Glands Hormones Location of Glands
Hormonal control over male and female reproductive hormones. Hormonal control over male and female reproductive hormones.
Chemicals can adversely affect personal protective equipment (PPE) in three ways: They can permeate ... Chemicals can adversely affect personal protective equipment (PPE) in three ways: They can permeate ...
The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body
Hormones Help the Body Regulate Glucose Hormones Help the Body Regulate Glucose
Video: Homologous chromosomes during prophase I - Animation

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