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11 terms starting with H
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Learn more about Haemoglobin
Haemoglobin
A substance in the red blood cells, which takes up oxygen in the lungs and transports it to the tissues of the body.
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Learn more about Haemorrhage
Haemorrhage
Blood loss, bleeding
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Learn more about Head injury - mild/minor
Head injury - mild/minor
May causes brief loss of consciousness for 15 minutes or less with a period of post-traumatic amnesia of less than 1 hour.
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Learn more about Head injury - moderate
Head injury - moderate
Defined as being a condition where the patient has been in a coma for 6 hours, and a period of post-traumatic amnesia of up to 24 hours.
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Learn more about Head injury - severe
Head injury - severe
Defined as being a condition where the patient has been in a coma for 6 hours or more, or a post-traumatic amnesia of 24 hours or more.
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Learn more about Hippocampus
Hippocampus
A structure on the inner surface of the temporal lobes, which is made up mainly of grey matter and has an important role in memory processes. Damage to the hippocampus may lead to memory problems.
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Learn more about Homeostasis
Homeostasis
The ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its physiological processes. For example, sweating when hot in order to keep the core body temperature at 98.6 degrees maintains homeostasis.
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Learn more about Hyperbaric oxygen therapy (HOT)
Hyperbaric oxygen therapy (HOT)
A specialised treatment sometimes used in severe anoxic states - particularly after carbon monoxide poisoning - which involves giving pure oxygen at increased pressure in a hyperbaric chamber.
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Learn more about Hypopituitarism
Hypopituitarism
The condition in which the pituitary gland doesn't produce adequate levels of one or more hormones.
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Learn more about Hypothalamus
Hypothalamus
A small structure just above the brain stem. The hypothalamus detects levels of hormones in the blood and controls the pituitary gland's release of hormones in order to keep the levels stable (also see pituitary gland).
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Learn more about Hypoxic-ischaemic injury
Hypoxic-ischaemic injury
Damage caused by an interruption of oxygen supply (hypoxia) linked with a reduction in the blood flow to the brain (ischaemia), such as occurs when the heart stops beating in a cardiac arrest.