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Related Concept Videos

Cerebral Hemispheres01:05

Cerebral Hemispheres

3.0K
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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Cerebrum: Anatomical Overview I01:26

Cerebrum: Anatomical Overview I

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The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
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Cerebrum: Anatomical Overview II01:11

Cerebrum: Anatomical Overview II

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Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
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The Arch of Aorta01:10

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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...
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Arteries of the Head and Neck01:26

Arteries of the Head and Neck

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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...
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Related Experiment Video

Updated: Mar 19, 2026

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
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[Cerebral hemorrhage].

Hiroyuki Nakase, Yasushi Motoyama, Shuichi Yamada

    Nihon Rinsho. Japanese Journal of Clinical Medicine
    |June 24, 2016
    PubMed
    Summary

    Japanese stroke guidelines offer comprehensive recommendations for intracerebral hemorrhage (ICH) diagnosis and treatment. They cover acute and chronic management, focusing on blood pressure, secondary brain injury, and surgical options, including new guidance for pregnancy.

    Area of Science:

    • Neurology
    • Neurosurgery
    • Public Health

    Background:

    • Intracerebral hemorrhage (ICH) is a critical neurological condition requiring prompt, aggressive management.
    • The 2015 Japanese evidence-based stroke guidelines provide comprehensive recommendations for stroke care.
    • Previous guidelines lacked specific focus on ICH management, particularly in unique populations.

    Purpose of the Study:

    • To present the updated, evidence-based Japanese guidelines for the diagnosis and treatment of spontaneous intracerebral hemorrhage.
    • To outline recommendations for managing ICH across acute and chronic stages, including prevention and complications.
    • To incorporate new recommendations for ICH management during pregnancy and the puerperium.

    Main Methods:

    • Systematic review and synthesis of existing evidence on intracerebral hemorrhage.

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  • Development of consensus-based recommendations by a panel of stroke experts.
  • Inclusion of recent research and clinical trial data relevant to ICH management.

    • Main Results:

    • Detailed recommendations for the prevention and management of spontaneous ICH.
    • Specific guidance on controlling blood pressure and managing coagulopathy in ICH patients.
    • Emphasis on preventing and controlling secondary brain injury and intracranial pressure.
    • Consideration of surgical interventions and management of other ICH pathologies.
    • Inclusion of novel recommendations for managing ICH in pregnant and postpartum women.

    Conclusions:

    • The 2015 Japanese guidelines offer a robust framework for goal-directed, evidence-based treatment of intracerebral hemorrhage.
    • These guidelines aim to improve patient outcomes through standardized and comprehensive care strategies.
    • The inclusion of pregnancy-related ICH management addresses a critical gap in stroke care recommendations.