|
|
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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.
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
![Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_48_58_94111673.jpeg)
![Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_16_94431165.jpeg)