Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

The Blood-brain Barrier00:49

The Blood-brain Barrier

53.7K
Overview
53.7K
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

5.6K
Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and...
5.6K
Hypothalamic-Pituitary Axis01:37

Hypothalamic-Pituitary Axis

67.0K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
67.0K
Adrenal Gland Disorders01:27

Adrenal Gland Disorders

3.4K
Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
3.4K
Hormonal Regulation of Blood Pressure01:17

Hormonal Regulation of Blood Pressure

6.5K
Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
6.5K
Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

7.5K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
7.5K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

JSD and the design of user interface software.

Ergonomics·2017
Same author

A Rare Complication of Sacrocolpopexy.

Journal of minimally invasive gynecology·2016
Same author

Robotic Resection of Intravesical Polypropylene Mesh Following Tension Free Tape Procedure.

Journal of minimally invasive gynecology·2016
Same author

Peripheral nerve catheters in children: an analysis of safety and practice patterns from the pediatric regional anesthesia network (PRAN).

British journal of anaesthesia·2015
Same author

Meckel's diverticulum causing chronic pelvic pain.

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics·2007
Same author

Identification of an imipenem-resistant Pseudomonas aeruginosa clone among patients in a hospital in Rio de Janeiro.

The Journal of hospital infection·2005

Video Experimental Relacionado

Updated: Feb 19, 2026

Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions
04:33

Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions

Published on: March 12, 2019

8.6K

Barrera hematoencefálica: modulación endógena por la función suprarrenal cortical.

J B Long, J W Holaday

    Science (New York, N.Y.)
    |March 29, 1985
    PubMed
    Resumen
    Este resumen es generado por máquina.

    La barrera hematoencefálica es la barrera hematoencefálica.

    Más Videos Relacionados

    Setting-up an In Vitro Model of Rat Blood-brain Barrier BBB: A Focus on BBB Impermeability and Receptor-mediated Transport
    16:26

    Setting-up an In Vitro Model of Rat Blood-brain Barrier BBB: A Focus on BBB Impermeability and Receptor-mediated Transport

    Published on: June 28, 2014

    43.4K
    Generation of an Immortalized Murine Brain Microvascular Endothelial Cell Line as an In Vitro Blood Brain Barrier Model
    09:36

    Generation of an Immortalized Murine Brain Microvascular Endothelial Cell Line as an In Vitro Blood Brain Barrier Model

    Published on: August 29, 2012

    19.6K

    Videos de Experimentos Relacionados

    Last Updated: Feb 19, 2026

    Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions
    04:33

    Primary Culture of Rat Adrenocortical Cells and Assays of Steroidogenic Functions

    Published on: March 12, 2019

    8.6K
    Setting-up an In Vitro Model of Rat Blood-brain Barrier BBB: A Focus on BBB Impermeability and Receptor-mediated Transport
    16:26

    Setting-up an In Vitro Model of Rat Blood-brain Barrier BBB: A Focus on BBB Impermeability and Receptor-mediated Transport

    Published on: June 28, 2014

    43.4K
    Generation of an Immortalized Murine Brain Microvascular Endothelial Cell Line as an In Vitro Blood Brain Barrier Model
    09:36

    Generation of an Immortalized Murine Brain Microvascular Endothelial Cell Line as an In Vitro Blood Brain Barrier Model

    Published on: August 29, 2012

    19.6K

    Área de la Ciencia:

    • La neurociencia es la neurociencia.
    • Endocrinología Endocrinología.
    • Fisiología Fisiología Fisiología.

    Sus antecedentes:

    • La barrera hematoencefálica (BBB) es una interfaz crítica que regula el transporte molecular entre el torrente sanguíneo y el cerebro.
    • Comprender la permeabilidad BBB es esencial para el diagnóstico y tratamiento de trastornos neurológicos.

    Objetivo del estudio:

    • Para investigar la influencia del eje pituitario-adrenal en la permeabilidad de la barrera hematoencefálica.
    • Para determinar si las hormonas suprarrenales modulan el paso de las macromoléculas a través del BBB.

    Principales métodos:

    • Las ratas se sometieron a adrenalectomía, demedulación suprarrenal o cirugía simulada.
    • La albúmina sérica bovina marcada con yodo-125 se utilizó para evaluar la permeabilidad de la BBB.
    • La terapia de reemplazo de corticosterona se administró a algunas ratas adrenalectomizadas.

    Principales resultados:

    • La adrenalectomía aumentó significativamente la permeabilidad de la BBB a la etiquetada albúmina sérica bovina.
    • La demedulación suprarrenal no afectó la permeabilidad de la BBB.
    • El reemplazo de corticosterona revirtió el aumento de la permeabilidad causado por la adrenalectomía.

    Conclusiones:

    • El eje pituitario-adrenal, específicamente las hormonas suprarrenales como la corticosterona, juega un papel en la regulación de la permeabilidad BBB.
    • Estos hallazgos sugieren una modulación hormonal de la integridad de la microvasculatura cerebral.
    • La permeabilidad de la BBB a las macromoléculas está influenciada fisiológicamente por el sistema endocrino.