Mindblown: a blog about philosophy.
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Psychoactive
Having effects on the mind or behavior. A consciousness-altering herb, often hallucinogenic or narcotic. A drug that affects the functioning of the central nervous system resulting in distortion of the perceptions of reality. Drugs that affect the central nervous system; includes stimulants, depressants, opiates, hallucinogens, marijuana, and inhalants. Affecting the state of one’s mind; usually…
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Psoriasis
A common chronic, non-contagious autoimmune dermatosis that affects the skin and joints. A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. The lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region. Accelerated epidermopoiesis is considered to be the fundamental pathologic feature in psoriasis. A…
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PSA
Prostate Specific Antigen, a protein which is secreted into ejaculate fluid by the healthy prostate. One of its functions is to aid sperm movement.
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Pruritis
Defined as an unpleasant sensation on the skin that provokes the desire to rub or scratch the area to obtain relief; itch, itching. adj. pruritic. Intense itching.
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Prurigo
Ageneral term used to describe itchy eruptions of the skin. Any of several itchy skin eruptions in which the characteristic lesion is dome-shaped with a small transient vesicle on top, followed by crusting or lichenification. An itchy eruption of papules. Any of a group of skin inflammations characterized by multiple blister-capped papules that are itchy…
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Proto-oncogene
A normal gene which, when altered by mutation, becomes an oncogene that can contribute to cancer. A gene that regulates the growth of cells or the signals that cells send to each other. Mutations in protooncogenes may cause excessive growth of cells or tissues in several diseases, including cancers.
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Prothyroid
Good for thyroid function.
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Prothrombin
Blood-clotting protein that is converted to the active form, factor IIa, or thrombin, by cleavage. Protein in plasma involved in coagulation of blood. The prothrombin time is an index of the coagulability of blood (and hence of vitamin K nutritional status) based on the time taken for a citrated sample of blood to clot when…
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Proteomics
The large-scale study of proteins, particularly their structures and functions. The study of the proteome. A technique for studying a whole body response to an experimental treatment by monitoring the changes in the amounts and kinds of body proteins. The study of the proteins synthesized by living organisms and their impact on health and disease.…
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Proteolysis
Cleavage of the peptide bonds in protein forming smaller polypeptides. adj. proteolytic. The hydrolysis of proteins to their constituent amino acids, catalysed by alkali, acid, or enzymes. The breaking down of proteins in food into amino acids by enzymes. Breakdown of proteins or peptides. Digestion of meat (cooked meat medium), Dorset’s egg medium, inspissated serum,…
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