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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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The FDA recognizes 118 routes of administration.

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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.

The mammalian urinary system including the basic functional unit of the nephron. The mammalian urinary system including the basic functional unit of the nephron.
Urine Color Guide Urine Color Guide
(B) Urine collection cup; (C) 24-hour urine container. (B) Urine collection cup; (C) 24-hour urine container.
Testing the Chemical Characteristics of Urine with Reagent Strips Testing the Chemical Characteristics of Urine with Reagent Strips
Palpating the bladder Palpating the bladder
Urine Test for Pregnancy Urine Test for Pregnancy
Video: baroreceptors

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