Circumventricular organs of rats that experimental hydrocephalus and subarachnoidal hemorrhage carried out: an anaglyphic SEM study

نویسندگان

  • Ilkan Tatar
  • Gokhan Akpinar
  • Bektas Acikgoz
  • Selcuk Tunali
  • Mustafa Aldur
  • H. Hamdi Celik
  • H. Selcuk Surucu
چکیده

It is known that circumventricular organs that are located around the ventricular system of the brain are lack of blood-brain barrier and support the body water-salt balance. They also effect many physiological events such as some neuroendocrine and reproduction mechanisms. In different pathological conditions their results and the step in which the circumventricular organs are affected are unknown. Although circumventricular organs do not have a bloodbrain barrier, they do not completely show the same characteristics.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Hypertension effects on p73 expression in the rat circumventricular organs and cerebrospinal fluid

It has been reported that spontaneously hypertensive rats (SHR) show ventricular dilation, changes in CSF proteins and variations in the circumventricular organs (CVO) such as: the subcommissural organ (SCO), the subfornical organ (SFO) and the area postrema (AP) which are located in the walls of the third and fourth ventricles. On the other hand, p73 proteins are present in cells of the centra...

متن کامل

مطالعه اثرات هیستولوژیکی و بیوشیمیایی هایپوترمی بر کبد موش صحرایی

Introduction: Hypothermia is used as an adjunct in surgery of different organs including heart, liver, brain and thyroid .It can be produced by different techniques such as superficial cooling ,cooling of blood and pharmacological cooling . Hypothermia has several effects on function of different organs and tissues including heart, lung ,liver, brain ,thyroid and vascular system .In this study,...

متن کامل

Expression of HGF and VEGF in the cerebral tissue of adult rats with chronic hydrocephalus after subarachnoid hemorrhage.

The hepatocyte growth factor (HGF) and vascular endothelial growth factor (VEGF) are important cytokines with modulatory actions in the nervous system. The present study aimed to investigate the role and expression of HGF and VEGF in the cerebral tissue of adult rats with chronic hydrocephalus after subarachnoid hemorrhage. Adult female Wistar rats were randomly divided into 4 groups: a control...

متن کامل

Development of Circumventricular Organs in the Mirror of Zebrafish Enhancer-Trap Transgenics

The circumventricular organs (CVOs) are small structures lining the cavities of brain ventricular system. They are associated with the semitransparent regions of the blood-brain barrier (BBB). Hence it is thought that CVOs mediate biochemical signaling and cell exchange between the brain and systemic blood. Their classification is still controversial and development not fully understood largely...

متن کامل

Subarachnoid hemorrhage-induced hydrocephalus in rats.

BACKGROUND AND PURPOSE Hydrocephalus is an important complication of subarachnoid hemorrhage (SAH). We investigated the occurrence of acute hydrocephalus in a rat SAH model. METHODS SAH was induced by endovascular perforation in adult male Sprague-Dawley rats (n=36). Sham rats (n=8) underwent the same procedure without perforation. MRI was performed 24 hours after SAH and the volume of the ve...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2004