Senium is the last stage of a person’s life and the final stage of natural aging. It is considered a degenerative phase in which physical and mental abilities decline – to the point where the aging person may die from it. What is the senium? Senium is the last stage of a person’s life and … Senium: Function, Tasks, Role & Diseases
The excitation conduction system of the heart consists of glycogen-rich specialized cardiac myocytes. They focus the contraction signals generated by the excitation generation system and transmit them to the muscles of the atria and ventricles in a specific rhythm, creating an orderly sequence of systole (beating phase of the ventricles) and diastole (relaxation phase of … Cardiac Conduction System: Function, Role & Diseases
Evolution means development. Related to humans, it means the development from animal ancestors through prehumans and early humans to present-day humans. The biological name of the species is Homo sapiens. By a “species” biology understands a community of living beings that can reproduce among themselves. What is evolution? Evolution means development. In relation to humans, … Evolution: Function, Tasks, Role & Diseases
The phenotype is the outwardly visible appearance of an organism with its various characteristics. Both genetic makeup (genotype) and environment influence the expression of the phenotype. What is the phenotype? The phenotype is the outwardly visible appearance of an organism with its various characteristics. The visible expressions of an organism, but also the behavior and … Phenotype: Function, Tasks, Role & Diseases
The appearance of an organism is called its phenotype. In this context, the phenotype is shaped both genetically and by the environment. Natural phenotypic changes in an organism are usually caused by environmental factors. What is phenotypic change? Natural phenotypic changes to an organism are usually caused by environmental factors. Phenotypic changes can occur in … Phenotypic Changes: Function, Task & Diseases
During eyelid closure, the upper and lower eyelids meet until the palpebral fissure is fully closed and the eye is no longer visible. The seventh cranial nerve of the mimic muscles is primarily involved in eyelid closure, thus protecting the eye from drying out and from dangerous stimuli with the help of the eyelid closure … Eyelid Closure: Function, Tasks, Role & Diseases
In the early 18th century, the term heterosexuality was coined by Karl Maria Kertbeny. It is composed of the Greek “heteros” and the Latin “sexus”, thus explaining the word formation from the parts “the other, the unequal” in connection with the male and female sex. This is also how the definition of homosexuality came about, … Heterosexuality: Function, Role & Diseases
After infection with oncoviruses, the risk of developing certain forms of cancer increases. Such cancer-causing viruses are the cause of disease in about 10% to 20% of all cancers. Many oncoviruses are well known and well described to science. What are oncoviruses? Viruses are infectious particles that reproduce and are subject to the rules of … Oncoviruses: Infection, Transmission & Diseases
Elevation is a form of movement of the shoulder and corresponds to a continuation of abduction beyond a 90-degree angle. The eye is also capable of elevation, which involves lifting the eyeball in adduction. Lesions of the nerves supplying each motor system may result in a limitation of the respective elevation. What is elevation? Elevation … Elevation: Function, Tasks, Role & Diseases
The Wernicke center is the sensory language center in humans and ensures language comprehension. Because thought is inextricably linked to language, the Wernicke center plays a role not only in language production and processing, but in every human thought process. Damage to the area often results in personality change. What is Wernicke’s center? Medical professionals … Wernicke Center: Structure, Function & Diseases
Healthy posture is essential for maintaining the ability to move, as well as preventing pain and inflammation. The following article analyzes the functions and tasks of good posture. It also looks at posture from a medical, psychological, and evolutionary perspective. What is posture? Healthy posture is essential for maintaining the ability to move, as well … Posture: Function, Tasks, Role & Diseases
The Oppenheim reflex, or Oppenheim sign, is a natural reflex in babies and a pathological reflex in adults. Neurology associates this reflex movement with pyramidal tract signs, as seen when central motor neurons are damaged. Diseases such as multiple sclerosis (MS) or ALS can cause such damage. What is the Oppenheim reflex? The Oppenheim reflex … Oppenheim Reflex: Function, Tasks, Role & Diseases
