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La muerte de un ser querido es una carga para los dolientes, que también tiene un impacto en la salud cardiovascular: un estudio reciente revela que, un año después de la muerte de la pareja, ... [más]

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Alrededor de un seis por ciento de las mujeres embarazadas sufre dos o más abortos. Y el riesgo aumenta en paralelo a la edad. Según investigadores británicos, una posible causa de los ... [más]

Lucia Feldmann ha publicado el artículo Herpes zoster en el Flexikon
Synonym: shingles, zona
1 Definition
Herpes zoster is the secondary manifestation of an infection with Varicella zoster virus (VZV). After the primary infection with VZV, clinically presenting as "chickenpox", the virus remains inactive in ganglia ... [más]
Oliver Paul ha publicado el artículo Residual volume en el Flexikon
The residual volume is the amount of air that remains in the lung after forced expiration. The residual volume is about 1200 ml.
The residual volume cannot be measured through Spirometry.
Oliver Paul ha publicado el artículo Expiratory reserve volume en el Flexikon
The expiratory reserve volume (ERV) is the amount of air that can be additional exhaled after a normal expiration (tidal volume). The ERV is about 1200 ml.
Oliver Paul ha publicado el artículo Inspiratory reserve volume en el Flexikon
The inspiratory reserve volume (IRV) is the additional amount of air that can be inhaled after a normal inspiration (tidal volume). The IRV is between 2000-3000 ml in human beings.
Oliver Paul ha publicado el artículo Tidal volume en el Flexikon
The tidal volume is the amount of inhalation or expiration under resting conditions. In adults the tidal volume is about 500 ml or 6-8 ml/kg. The tidal volume mainly depends on the hight and the sex of the person.
Oliver Paul ha publicado el artículo Lung volume en el Flexikon
The lung volume is the amount of a gas (usually air) that can be included into the lung. We have to distinguish between lung volumes and capacities.

Physiology
=== Lung volumes === Tidal volume (TV)Inspiratory reserve volume (IRV)Expiratory reserve ... [más]
Flora Vinbert ha publicado el artículo Diencephalon en el Flexikon
The diencephalon is a part of the brain stem, which follows the mesencephalon on the cranial side. It encloses the 3rd ventricle (Ventriculus tertius cerebri).

Anatomy
Due to functional differences, the diencephalon can be divided into the ... [más]
Flora Vinbert ha publicado el artículo Corpus luteum en el Flexikon
Corpus luteum, or colloquially yellow body, is a hormone-producing cluster of cells that arises from the follicle after ovulation.
The corpus luteum is formed under the influence of LH (luteinizing hormone). In the corpus luteum, progesterone and ... [más]
Flora Vinbert ha publicado el artículo Talus en el Flexikon
The talus is a bone of foot skeleton, which belongs to the tarsal bones.

Anatomy
The talus is a biconvex shaped bone with a laterally compressed shape. It can be divided into different sections - corpus (body), collum (neck) and caput (head).
The ... [más]
Flora Vinbert ha publicado el artículo Skeleton en el Flexikon
The term skeleton is used to define the totality of the bone of an organism, in other words the scaffold needed for constructing the body. The human skeleton consists of 206 bones (number may vary individually).

Subcategorisation
In humans, a ... [más]