Heredity is responsible for making children resemble their relatives. Within the framework of complex processes, various characteristics are passed on to descendants via the chromosomes. In the process, two expressions for each trait always meet through the mother and father. What is heredity? Humans have 46 chromosomes. Chromosomes are carriers of DNA, on which all … Heredity: Function, Tasks, Role & Diseases
One of the most important substances for the human body are amino acids. Without them, the metabolism can not form proteins, liver metabolism, growth, building the skin, nails and hair and the function of the nervous system would not be possible. Amino acids are building blocks for the synthesis of proteins and serve as basic … Amino Acid Metabolism: Function, Role & Diseases
Definition The term albinism is derived from the Latin word for white, “albus”. It is a collective term for a large number of congenital genetic defects, all of which result in those affected suffering from a lack of pigment, which is mainly noticeable by a light skin and hair colour. Albinism is not only found … Albinism
Therapy of albinism A therapy of the present genetic defect is not possible until today, so albinism can only be treated symptomatically and one can try to avoid consequential damages of the disease. It is important for persons with albinism to pay attention to special UV protection, as the natural protection is missing due to … Therapy of albinism | Albinism
In medicine, melanins are the pigments produced naturally in the body that give the skin, hair and eyes their color. Melanins are produced in cells called melanocytes and released into the surrounding cells. In pigmented people, the pigment takes on the role of a UV filter. What are melanins? Melanins are reddish, black and brown … Melanins: Structure, Function & Diseases
Melanin deficiency is characterized by a lighter coloration of the skin, which can occur on the entire body or only in patches. The causes of the condition are varied and a detailed medical history is required to clarify them. In general, however, melanin deficiency is almost always harmless, but can be a great psychological burden … Melanin Deficiency: Causes, Symptoms & Treatment
Melanin production, which is carried out by specialized basal cells in the epidermis called melanocytes, serves primarily to protect the skin and the nuclei of skin cells from the harmful UV component in sunlight. The melanocytes are able to synthesize the skin pigment melanin from the non-essential proteinogenic amino acid L-tyrosine. Secondarily, the individual composition … Melanin Production: Function, Role & Diseases
In medicine, melanocytes are the pigment-producing cells in the basal cell layer of the skin. They synthesize melanins, which give skin and hair their color. The best-known disease related to melanocytes is black skin cancer. What are melanocytes? Melanocytes migrate out of the neural crest during the embryonic developmental phase and thus into the skin … Melanocytes: Structure, Function & Diseases
Photophobia or light shyness refers to an increased sensitivity of the eyes to light. Other synonyms for it are: Light hypersensitivity, and Photosensitive eyes. This is usually daylight, but artificial lighting can also be perceived as disturbing. Therefore, affected people often seek dark rooms to escape the light stimulus. What is photophobia? Photosensitivity collectively refers … Photophobia: Causes, Treatment & Help
Photosensitivity refers to an increased sensitivity of the eye to the effects of light. As a result of the sensitivity, symptoms such as headache or eye pain occur. What is photosensitivity? Photosensitivity refers to an increased sensitivity of the eye to the effects of light. As a result of the sensitivity, symptoms such as headache … Light Sensitivity: Causes, Treatment & Help
Diseases that are “passed from parents to children” are referred to in common parlance as hereditary diseases. Genetic diseases are divided into three groups: chromosomal abnormalities, monogenic diseases, and polygenic inherited diseases. What are inherited diseases? Hereditary diseases are clinical pictures or diseases that arise due to errors in the hereditary dispositions or are newly … Hereditary Diseases: Causes, Symptoms & Treatment
Uvea is the medical name for the middle skin of the eye, also commonly known as the tunica media bulbi. Its name is derived from the Latin term for grape, which the uvea is said to resemble when dissected. What is the uvea? The uvea is the pigment-bearing layer of the eye and thus responsible … Uvea: Structure, Function & Diseases
