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Penumbra (medicine)

Index Penumbra (medicine)

In pathology and anatomy the penumbra is the area surrounding an ischemic event such as thrombotic or embolic stroke. [1]

26 relations: Adenosine triphosphate, Anatomy, Brain, Cell (biology), Cellular respiration, Cerebral infarction, Diffusion MRI, Emergency department, Glutamic acid, Hemodynamics, Hypoxia (medical), Infarction, Intracellular, Ion pump (physics), Ischemia, Magnetic resonance imaging, MRI sequence, Neuron, Oxygen, Pathology, Perfusion, Perfusion MRI, Positron emission tomography, Stroke, Thrombectomy, Thrombolysis.

Adenosine triphosphate

Adenosine triphosphate (ATP) is a complex organic chemical that participates in many processes.

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Anatomy

Anatomy (Greek anatomē, “dissection”) is the branch of biology concerned with the study of the structure of organisms and their parts.

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Brain

The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.

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Cell (biology)

The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.

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Cellular respiration

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

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Cerebral infarction

A cerebral infarction is an area of necrotic tissue in the brain resulting from a blockage or narrowing in the arteries supplying blood and oxygen to the brain.

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Diffusion MRI

Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the resulting data, that uses the diffusion of water molecules to generate contrast in MR images.

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Emergency department

An emergency department (ED), also known as an accident & emergency department (A&E), emergency room (ER), emergency ward (EW) or casualty department, is a medical treatment facility specializing in emergency medicine, the acute care of patients who present without prior appointment; either by their own means or by that of an ambulance.

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Glutamic acid

Glutamic acid (symbol Glu or E) is an α-amino acid with formula.

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Hemodynamics

Hemodynamics or hæmodynamics is the dynamics of blood flow.

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Hypoxia (medical)

Hypoxia is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.

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Infarction

Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area.

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Intracellular

In cell biology, molecular biology and related fields, the word intracellular means "inside the cell".

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Ion pump (physics)

An ion pump (also referred to as a sputter ion pump) is a type of vacuum pump capable of reaching pressures as low as 10−11 mbar under ideal conditions.

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Ischemia

Ischemia or ischaemia is a restriction in blood supply to tissues, causing a shortage of oxygen that is needed for cellular metabolism (to keep tissue alive).

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Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

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MRI sequence

In magnetic resonance imaging (MRI), a sequence is a particular setting of pulse sequences and pulsed field gradients, resulting in a particular image appearance.

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Neuron

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Pathology

Pathology (from the Ancient Greek roots of pathos (πάθος), meaning "experience" or "suffering" and -logia (-λογία), "study of") is a significant field in modern medical diagnosis and medical research, concerned mainly with the causal study of disease, whether caused by pathogens or non-infectious physiological disorder.

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Perfusion

Perfusion is the passage of fluid through the circulatory system or lymphatic system to an organ or a tissue, usually referring to the delivery of blood to a capillary bed in tissue.

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Perfusion MRI

Perfusion MRI or perfusion-weighted imaging (PWI) is perfusion scanning by the use of a particular MRI sequence.

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Positron emission tomography

Positron-emission tomography (PET) is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease.

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Stroke

A stroke is a medical condition in which poor blood flow to the brain results in cell death.

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Thrombectomy

Mechanical thrombectomy, or simply thrombectomy, is the interventional procedure of removing a blood clot (thrombus) from a blood vessel.

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Thrombolysis

Thrombolysis is the breakdown (lysis) of blood clots formed in blood vessels, using medication.

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Ischemic penumbra.

References

[1] https://en.wikipedia.org/wiki/Penumbra_(medicine)

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