Javier Arias Stella - AbsoluteAstronomy.com

Javier Arias Stella is a Peruvian pathologist who discovered the "Arias-Stella's phenomenon" (or "reaction"), which is named after him.

Education

Javier's undergraduate studies were done first at the San Marcos National University

National University of San Marcos

The National University of San Marcos is the most important and respected higher-education institution in Peru. Its main campus, the University City, is located in Lima...

's School of Science from 1942–44 and then at the Faculty of Medicine from 1945–51, from which he earned his Bachelor's in 1951. His Doctorate was also earned from the Faculty in 1959.

Arias-Stella reaction

The Arias-Stella reaction, as discovered by Javier, found that a reaction previously thought of as cancer that occurred in the endometrium was actually normal reactions of hormones from placental tissue. It can also refer to changes occurring in the cervix

Cervix

The cervix is the lower, narrow portion of the uterus where it joins with the top end of the vagina. It is cylindrical or conical in shape and protrudes through the upper anterior vaginal wall...

Altitude changes in anatomy and histology

Later in his life, Javier became involved in researching how altitude changes in the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

affected anatomy

Anatomy

Anatomy is a branch of biology and medicine that is the consideration of the structure of living things. It is a general term that includes human anatomy, animal anatomy , and plant anatomy...

and histology

Histology

Histology is the study of the microscopic anatomy of cells and tissues of plants and animals. It is performed by examining cells and tissues commonly by sectioning and staining; followed by examination under a light microscope or electron microscope...

in human beings, men specifically. It had long been thought that the multiple cases of pulmonary hypertension

Pulmonary hypertension

In medicine, pulmonary hypertension is an increase in blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, together known as the lung vasculature, leading to shortness of breath, dizziness, fainting, and other symptoms, all of which are exacerbated by exertion...

in Andes men came from the altitude they lived in. Javier's research showed that "hypoxia-induced thickening of the pulmonary arteriolar walls" was the main cause for the hypertension. Considering that the natives had no access to vasodilators, their cases of hypertension were found to be different than known cases of acute hypoxic pulmonary vasoconstriction.

Early career

Javier began teaching as an Instructor in Pathology by 1949 in the same University and Faculty that he already was attending. Over time he became Senior Lecturer Clinical Pathology. In 1961, he founded the Universidad Peruana Cayetano Heredia

Cayetano Heredia University

Cayetano Heredia University or simply Cayetano Heredia) is a private university located in Lima, Peru. It was named in honor of Cayetano Heredia, one of the eminent Peruvian physicians of the 19th century. The university is overseen by a Board of Trustees and is not actually property of any...

, where he began as a Associate Professor of Pathology. By 1969, he was Principal Professor and then Head of the Pathology Department by 1975. He became the Consulting Professor for the National University of Caracas in 1974 and then the same for the Central University of Venezuela

Central University of Venezuela

The Central University of Venezuela is a premier public University of Venezuela located in Caracas...

in 1975. He continued to have various professional standings in many hospitals in both South America and the United States. He also traveled as a visiting professor to many universities in the US.

Because of his professionalism, Javier was asked to join multiple medical societies, including the American Association of Pathologists and the International Academy of Pathologists. Furthermore, he went on to found the International Society of Gynecological Pathology, the Latin American Society of Pathology, and the Peruvian Society of Pathology.

Late career

He was public health minister from 1963–65 and 1966–68 and became the foreign minister of Peru from 1980 to 1983 because of his involvement in the Belaunde regime. Javier was the foreign minister during the Paquisha War

Paquisha War

The Paquisha War was a brief military clash that took place between January and February 1981 between Ecuador and Peru over the control of three watchposts. While Peru felt that the matter was already decided in the Ecuadorian-Peruvian War of 1941, Ecuador did not agree with the Rio de Janeiro...

in 1981 with Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

. During the early skirmishes over an outpost in Paquisha, Javier was quoted in newspapers as stating that Peru would proceed to recapture the rest of the territory that Ecuadorian forces were encroaching on.

In 1984 and 1985, he served as the President of the United Nations Security Council

President of the United Nations Security Council

The President of the United Nations Security Council is the presiding officer of that body. The president is the head of the delegation from the Security Council member state that holds the rotating presidency.-Selection:...

Family

He is currently married to one Nancy Castillo Arias Stella and also has four children, Patricia, Javier, José Luis and Fernando.

External links

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