Stress hormones are the messenger substances that trigger a stress reaction in our body. The most important are cortisol, adrenaline and noradrenaline, some of which are acute and others are only released during prolonged stress. There is
Catecholamines increase the circulation and are used as drugs in the form of adrenaline, noradrenaline and dobutamine. The catecholamines are used exclusively in emergency medicine for cardiopulmonary resuscitation, allergic ones
Tendons are the connecting pieces between muscles and bones and should not be confused with ligaments. The most famous tendons include the Achilles tendon, quadriceps tendon, patellar tendon, biceps tendon, triceps tendon, and the rotator cuff. At sportier
The eye consists of the eyeball and the associated auxiliary devices such as eyelids, eyelashes and tear organs. The front section contains the light-refracting structures with the lens and cornea, while the rear section contains, among other things,
The ear is responsible for hearing and the sense of balance. It is divided into the outer, middle and inner ear, which each pick up and transmit sounds. The organ of equilibrium is located in the inner ear and measures position and movement
The nose is one of the individual characteristics of every person. Depending on culture, age and gender, the nose can be long or snub-nosed, narrow or wide, delicate or hook-shaped. All noses have nostrils, nostrils and a nasal septum
Histamine is a messenger substance in the body. It is essential in triggering allergic reactions. But it is also assigned to participate in the sleep-wake cycle of humans and in the gastrointestinal tract it also acts in regulation
Malformations of the kidneys are not uncommon and usually do not represent a great danger. There are double kidneys, pelvic kidneys or horseshoe kidneys. Cystic diseases of the kidneys are also possible, in which small vesicles develop, which in the worst case
The kidneys are supplied with arteries via the right and left renal arteries, and venous drainage via the right and left renal veins. In addition, there are other inflows and outflows via the arteries and veins of the adrenal gland or directly out
Thyroxine is a hormone produced in the thyroid gland. Thyroid hormones have a very broad spectrum of activity and are of great importance for energy metabolism, growth and maturation. With an underactive thyroid can
Fontanelles are areas of connective tissue on the skull of a newborn or infant that are not covered by bone or cartilage. They feel as soft spots. There are a total of six fontanelles, which are usually located in the course
Autoantibodies are antibodies that classify your own body cells as malignant and are directed against them. This results in a number of dangerous diseases.
As a component of the thyroid hormones, the trace element iodine plays an important role in growth and development. Enough iodine should be ingested through food to prevent thyroid dysfunction due to iodine deficiency. An iodine deficiency
The gastrointestinal virus is characterized by the typical symptoms of nausea, vomiting and diarrhea. It can be triggered by different viruses, such as the norovirus or the rota virus, is transmitted orally and fecally and sounds after a few days
EHEC stands for "enterohaemorrhagic Escherichia coli", a bacterium that can cause severe gastrointestinal problems.
Prostaglandins belong to the eicosan period and mediate inflammatory processes and fever. They play an important role in protecting the stomach from stomach acid and in blood flow to the kidneys. Prostaglandins are medicated upon induction
Splenic infarction occurs when arteries become blocked. As a result, the cells can no longer be adequately supplied with oxygen and perish.
The phrenic nerve arises from the spinal cord segments C3-5 and is of enormous importance for breathing because it supplies the diaphragm, the most important respiratory muscle. Damage can therefore lead to symptoms such as shortness of breath or elevated diaphragm
The human papillomavirus is highly contagious and causes benign skin and genital warts. However, infection can also cause cervical and laryngeal cancer. That is why vaccination against the main virus strains is required for all girls
The Ebola virus is a highly contagious virus that is native to central Africa. Sick people suffer from a high fever and impaired blood clotting, which leads to progressive organ failure. The survival rate is dependent on the medical