Anatomy

Definition of pronation

Pronation is a twisting or rotating movement that certain bones in the human body perform. The dictionary of the Royal Spanish Academy (RAE) associates the term with the mobility of the forearm that causes the hand to turn from the outside inwards, although the most common use of the concept is linked to a certain […]

Definition of prognathism

Prognathism is the condition of an individual who is prognathic. This adjective is used to describe people whose jaws are protruding. This means that the jaw, either its lower or upper part, ends up protruding from the face. Before moving forward with the meaning of the term prognathism, it is necessary to determine its etymological origin. […]

Definition of spinal cord

The spinal cord is the continuation of the brain. It is a channel that connects the brain with the rest of the body, starting in the occipital region and reaching the lumbar area. Nerve impulses reach the spinal nerves through the spinal cord, which performs two major functions: on the one hand, it transmits the nerves to the brain and spinal cord.

Definition of skull

The skull is the bone structure that covers and protects the brain (the set of various organs and structures that are included in the nervous system, such as the cerebrum, cerebellum and medulla oblongata). Eight bones form the human skull, whose thickness varies according to the person; […]

Definition of polyps

Polyp is a concept used in the fields of medicine and zoology. In the first case, polyps are tumors that develop in mucous membranes found in different cavities of the body. Before moving forward, it is important to determine their etymological origin. In this sense, […]

Definition of plexus

Plexus is a term used in the field of anatomy to name the network that develops from the interlacing of the filaments of blood vessels and nerves. The Latin word plexus became, in our language, this word. The components of a plexus manage to develop various anastomoses, which are the […]

Definition of platelet

Platelet is a concept derived from plaque. One of its most common uses is in the field of biology and refers to a type of cell found in vertebrates that is very important during blood coagulation. Before moving forward, we will determine the etymological origin of the word platelet.

Definition of placenta

The placenta is the organ that emerges from the umbilical cord and allows the intermediation between the mother and her baby or offspring while the pregnancy develops. Thanks to the placenta, which is attached to the uterus, the baby can be nourished, breathe and expel waste. In Latin placenta, which means “cake” is where […]

Definition of pylorus

Pylorus is a term that has its most distant etymological antecedent in a Greek word that came to Latin as pylorus. The concept can be used to name a slit found in the stomach of humans and various animals, which allows the passage of ingested food into the duodenum. It is a […]

Definition of leg

Leg is a term that comes from the Latin word perna, which means “edible thigh of an animal.” The concept refers to the extremities found in the lower region of the human being. The notion is also used more specifically to name the area of ​​these members that is located between the ankle and […]