pressure necrosis
| pressoreceptor reflex | A normal reflex related to the carotid sinus syndrome. (05 Mar 2000) |
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| pressoreceptor system | The pressoreceptive areas which with their afferent fibres and connections with the autonomic system react to a rise in arterial blood pressure and serve to buffer it by inhibiting the heart rate and vascular tone. See: baroreceptor. (05 Mar 2000) |
| pressoreceptors | Receptors in the vascular system, particularly the aorta and carotid sinus, which are sensitive to stretch of the vessel walls. (12 Dec 1998) |
| pressosensitive | Capable of receiving as stimuli changes in pressure, especially changes of blood pressure. Synonym: pressosensitive. (05 Mar 2000) |
| pressosensitivity | The state of being able to perceive changes in pressure. See: pressoreceptive. (05 Mar 2000) |
| pressure | 1. The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand. 2. A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization. "Where the pressure of danger was not felt." (Macaulay) 3. Affliction; distress; grievance. "My people's pressures are grievous." (Eikon Basilike) "In the midst of his great troubles and pressures." (Atterbury) 4. Urgency; as, the pressure of business. 5. Impression; stamp; character impressed. "All saws of books, all forms, all pressures past." (Shak) 6. <mechanics> The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the upon a unit's area. Atmospheric pressure, Center of pressure, etc. See Atmospheric, Center, etc. <engineering> Back pressure, pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. Pressure gauge, a gauge for indicating fluid pressure; a manometer. Origin: OF, fr. L. Pressura, fr. Premere. Source: Websters Dictionary (01 Mar 1998) |
| pressure alopecia | Loss of hair over a circumscribed area usually on the posterior scalp, resulting from the continuous pressure on the occiput in a lengthy operative procedure, or unconsciousness following a drug overdose. (05 Mar 2000) |
| pressure amaurosis | A loss of vision occurring a few seconds after intraocular pressure exceeds systolic pressure of retinal arteries. (05 Mar 2000) |
| pressure anaesthesia | Loss of sensation produced by pressure applied to a nerve. Synonym: compression anaesthesia. (05 Mar 2000) |
| pressure atrophy | The wasting of hard or soft tissue resulting from excessive pressure applied to tissue by a denture base. (05 Mar 2000) |
| pressure collapse | Pulmonary collapse due to external compression of the lung, as by a pleural effusion or pneumothorax. (05 Mar 2000) |
| pressure dressing | A dressing by which pressure is exerted on the area covered to prevent the collection of fluids in the underlying tissues; most commonly used after skin grafting and in the treatment of burns. (05 Mar 2000) |
| pressure epiphysis | A secondary centre of ossification in the articular end of a long bone. (05 Mar 2000) |
| pressure gangrene | <dermatology> A chronic ulcer that appears in pressure areas in debilitated patients confined to bed or otherwise immobilised, due to a circulatory defect from the enhanced tissue pressure in high-contact areas, often occurring over a bony prominence (for example sacral decubitus). (27 Sep 1997) |
| pressure palsy | Paralysis due to compression of a nerve, nerve trunk, or spinal cord. Synonym: pressure palsy. (05 Mar 2000) |
| pressure sense |
the faculty by which pressure upon the surface of the body is perceived; called also baresthesia.
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| press juice |
liquid obtained by submitting finely ground tissue to great pressure.
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| pressure alopecia |
traumatic alopecia due to persistent pressure on the scalp, as may be seen in babies lying on their backs and in adults after prolonged surgical procedures or in ill persons after prolonged bed rest.
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| pressure anesthesia |
anesthesia caused by pressure on a nerve.
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| pressure cone |
the area of compression exerted by a mass in the brain, as in uncal or transtentorial herniation.
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| press | lift weights |
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| press | squeeze or press together |
| press | place between two surfaces and apply weight or pressure |
| press | exert pressure or force to or upon |
| press | make strenuous pushing movements during birth to expel the baby |
| press | press from a plastic, as of records |
| press | create by pressing |
| press | crowd closely |
| press | exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person |
| press | to be oppressive or burdensome |
| press | be urgent |
| press | an agency to collects news reports for newspapers and distributes it electronically |