Mindblown: a blog about philosophy.

  • Polydipsia

    Constant, excessive drinking as a result of thirst. Polydipsia occurs in untreated or poorly controlled diabetes mellitus.

  • Polydactyly

    More than the normal number of fingers or toes. From the Greek “polys” (many) + “dactylos” (finger) = many fingers or, medically, too many fingers. Polydactyly is the opposite of oligodactyly (too few fingers or toes).

  • Polycythemia vera (PV)

    Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). Polycythemia vera tends to evolve into acute leukemia or a condition with the marrow replaced by scar tissue (myelofibrosis). To have Polycythemia vera, there must be polycythemia which formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume are all above normal. For example, the hematocrit (the percentage of red blood…

  • Polycythemia

    Too many red blood cells. The opposite of anemia. polycythemia formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume are all above normal.

  • Polycystic ovary syndrome

    Abbreviated PCOS. Polcystic ovary syndrome is a condition in women characterized by irregular or no menstrual periods, acne, obesity, and excess hair growth. PCOS is a disorder of chronically abnormal ovarian function and hyperandrogenism (abnormally elevated androgen levels). It affects 5-10% of women of reproductive age. PCOS is also called the Stein-Leventhal syndrome. Women with PCOS do not…

  • Polycystic ovarian syndrome

    Abbreviated PCOS. Polycystic ovarian syndrome is a condition in women characterized by irregular or no menstrual periods, acne, obesity, and excess hair growth. PCOS is a disorder of chronically abnormal ovarian function and hyperandrogenism (abnormally elevated androgen levels). It affects 5%-10% of women of reproductive age. PCOS is also called the Stein-Leventhal syndrome. Women with PCOS do not ovulate —…

  • Poly-

    1: Prefix meaning much or many. For example, polycystic means characterized by many cysts. 2: Short form for polymorphonuclear leukocyte, a type of white blood cell.

  • Poliomyelitis

    An acute and sometimes devastating viral disease. Man is the only natural host for poliovirus. The virus enters the mouth and multiplies in lymphoid tissues in the pharynx and intestine. Small numbers of virus enter the blood and go to other sites where the virus multiplies more extensively. Another round of viremia (virus in the bloodstream) leads to invasion…

  • Polio

    Abbreviation for poliomyelitis, an acute and sometimes devastating disease caused by a virus. Man is the only natural host for polio virus. The virus enters the mouth and multiplies in lymphoid tissues in the throat and intestine. Small numbers of virus enter the blood and go to other sites where the virus multiplies more extensively. Another round of viremia (virus…

  • Poisoning

    Taking a substance that is injurious to health or can cause death. Poisoning is still a major hazard to children, despite child-resistant (and sometimes adult-resistant) packaging and dose-limits per container.

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