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Related Concept Videos

The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Anastomoses01:19

Anastomoses

In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They are most common in...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...

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Related Experiment Video

Updated: May 30, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
14:58

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

Brain arteriovenous malformations.

Adi R Ferrara

    Radiologic Technology
    |July 21, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Brain arteriovenous malformations (AVMs) are congenital vascular abnormalities. Diagnosis now uses advanced imaging, with treatments including embolization, microsurgery, and radiosurgery.

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    Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
    14:58

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    Published on: October 20, 2017

    Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.
    08:27

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    Published on: January 27, 2015

    Cerebrovascular Casting of the Adult Mouse for 3D Imaging and Morphological Analysis
    06:42

    Cerebrovascular Casting of the Adult Mouse for 3D Imaging and Morphological Analysis

    Published on: November 30, 2011

    Area of Science:

    • Neurology
    • Vascular Surgery
    • Radiology

    Background:

    • Arteriovenous malformations (AVMs) are congenital abnormalities of blood vessels.
    • Brain AVMs typically manifest in the second decade of life, if at all.

    Purpose of the Study:

    • To review the presenting symptoms, diagnostic procedures, and treatment options for brain AVMs.

    Main Methods:

    • Review of current diagnostic tools, including conventional angiography, computed tomography (CT), and magnetic resonance angiography (MRA).
    • Discussion of treatment modalities such as embolization, microsurgery, and radiosurgery.

    Main Results:

    • Brain hemorrhage is the most common presenting symptom.
    • CT and MRA are now the preferred first-line diagnostic tools over conventional angiography.

    Conclusions:

    • Early diagnosis and appropriate treatment are crucial for managing brain AVMs.
    • A multidisciplinary approach involving neurology, radiology, and surgery is often necessary.