Atropa belladonna (also referred to as belladonna and deadly nightshade) is a poisonous plant. Atropa belladonna (also referred to as belladonna and deadly nightshade) is a poisonous plant. Interestingly, its leaves and roots are used in appropriate amounts to make medicine. It contains important alkaloids, including scopolamine and hyoscyamine. These constituent alkaloids are used as...
What is a nucleus? The nucleus is the largest, most prominent organelle inside the cell. The functions of the nucleus are that it houses genetic material (DNA). it is the site of RNA production and it helps regulate cell metabolism by generating various enzymes. The human body has several organs. They are made up of...
The brain is made up of two sides (hemispheres) known as the right and left cerebral hemispheres The brain is made up of two sides (hemispheres) known as the right and left cerebral hemispheres. Each hemisphere controls the limb movement and sensations in the opposite half of the body. The right brain is involved with...
Ticks feed on blood and can bite humans or animals.Source: ThinkStock Tick facts Ticks are scientifically classified as Arachnida (a classification that includes spiders). The fossil record suggests ticks have been around at least 90 million years. Most tick bites do not transmit harmful microbes. There are a variety of tick-borne diseases. There is a...
Heat rash affects the skin when sweat glands become blocked or impaired.Source: Getty Images Heat rash definition and facts Heat rash occurs when the skin's sweat glands are blocked and the sweat produced cannot get to the surface of the skin to evaporate. This causes inflammation that results in a rash. Common symptoms of heat...
The sinuses are cavities present in the facial bones. The sinuses are cavities present in the facial bones. Frontal sinusitis is the swelling or infection of the frontal sinuses. The frontal sinuses are located just behind the eyes. All the sinuses produce mucus that drains into the nasal cavities. If the frontal sinuses are inflamed...
Persistent built-up of pus in the middle ear can erode the bony structures and result in the spread of infection. Tympanostomy is a surgical procedure in which a small cut (incision) is made on the eardrum (also called the tympanic membrane) to place a small tube called the tympanostomy tube in the ear. The eardrum...
What is a hormonal imbalance in men? A hormonal imbalance can affect a number of bodily functions, including metabolism, heart rate, sleep cycles, reproductive cycles, sexual function, growth and development, mood, and body temperature. Hormonal imbalances occur when there is too much or too little of a hormone present in the body. Hormones, which are...
Stool, digestion, and color Green stool is usually the result of eating food that is heavily dyed green. However, other factors connected to green stool may include diarrhea, age (primarily children), and changes in diet. Your body is always producing waste. It takes an average of three days for food to move through your digestive...
What are angiogram and angioplasty? Angiogram and angioplasty are two procedures that are used to treat or assess issues with blood vessels. Angiogram and angioplasty are two procedures used to assess or treat issues with your blood vessels. Learn more about how they’re similar and where they differ, and why your doctor might recommend one...