Mindblown: a blog about philosophy.
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Periarterial lymphoid sheath
The tissue composed of T lymphocytes that surrounds each arteriole in the spleen. The sheaths are attached to lymphoid follicles containing B cells and make up much of the white pulp.
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Dural sheath
A fibrous membrane or external investment of the optic nerve.
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Crural sheath
The fascial covering of femoral vessels.
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Carotid sheath
The portion of cervical or pretracheal fascia enclosing the carotid artery, interior jugular vein, and vagus nerve.
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Axon sheath
A myelin sheath or a neurilemma.
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Shear
A frictional force per unit of surface area applied parallel to the planes of any object. The term describes the movement that transpires when two surfaces glide in opposing directions.
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Sharp end
In a health care institution, those personnel and components that work in direct contact with patients.
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Sharkskin
A condition seen in pellagra (nicotinic acid deficiency) in which openings of sebaceous glands become plugged with a dry yellowish material.
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Shared governance
A model of nursing management in which the staff nurse shares responsibility and accountability for patient care with the clinical agency management. Shared governance assumes a participatory style of management and aims to achieve a high quality of patient care and professional nursing practice. Shared governance differs both from self-governance and from the traditional bureaucratic…
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Shared decision-making
Any negotiated agreement between a patient, her family, and health care professionals. Successful shared decision-making is dependent on the good will, rationality and competence of all parties.
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