Mindblown: a blog about philosophy.
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Ischial tuberosity
A protuberance on the inferior surface of the ischium lateral to the anus and bearing weight when one is seated. A lump of bone forming the ring of the ischium. A palpable prominence on the inferior margin of the ischium that supports a person’s weight when sitting.
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Irresistible impulse
An insanity plea following the commitment of a crime in some states. This is based on the concept that a person is not responsible for a crime committed when the act was precipitated by a psychotic condition that motivated the act and the person was unable to control his or her actions.
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Irrational beliefs
Beliefs that have no basis in reality, thought by rational-emotive psychologists to underlie psychological distress.
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Iron
A mineral element essential in forming red blood cells. A chemical element essential to the body, present in foods such as liver and eggs. A common grey metal. Mineral needed by the body to make red blood cells and build muscles; anaemia results from its deficiency. Formulated foods may be fortified with several iron salts,…
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Iritis
Inflammation of the iris, causing tearing, pain, and decreased visual sharpness.
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Iris diaphragm
A diaphragm that automatically adjusts to match the optical values of the objective.
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Iris
The pigmented membrane in front of the lens of the eye that acts as a diaphragm to control the amount of light entering the eye through its central opening, the pupil. A coloured ring in the eye, with the pupil at its centre. Coloured, muscular ring at the centre of the eye. Circular, colored part…
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Iridology
A pseudoscience that is based on the belief that most abnormalities of the body cause abnormal markings in the eye. The analysis of patterns and structures in the iris of the eye to assess person’s general health and to detect certain forms of disease. The belief is that the iris is divided into six regions by…
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Ipso facto
As a necessary consequence.
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Ipsative stability
Stability that is achieved by maintaining the constancy of some trait or tendency, normative stability.
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