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  2. Dermatophagia - Wikipedia

    en.wikipedia.org/wiki/Dermatophagia

    Psychiatry. Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit.skin and φαγείαlit.eating) or dermatodaxia (from δήξις, lit.biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.

  3. Division by zero - Wikipedia

    en.wikipedia.org/wiki/Division_by_zero

    Division by zero. The reciprocal function y = 1 x. As x approaches zero from the right, y tends to positive infinity. As x approaches zero from the left, y tends to negative infinity. In mathematics, division by zero, division where the divisor (denominator) is zero, is a unique and problematic special case. Using fraction notation, the general ...

  4. Adobe Acrobat version history - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat_version_history

    Adobe Acrobat 9.0 was released. Support for version 9 ended June 26, 2013, [10] with the last available update being 9.5.5. Adobe Acrobat 9.5.5 is the very last version, which can be installed on Unix-based system. Therefore 10 years after release Adobe Acrobat 9.5.5 is still used on modern and cutting-edge Systems.

  5. Five Pillars of Islam - Wikipedia

    en.wikipedia.org/wiki/Five_Pillars_of_Islam

    These prayers are done five times a day, at set strict times, with the individual facing Mecca. The prayers are performed at dawn, noon, afternoon, evening, and night: the names are according to the prayer times: Fajr (dawn), Dhuhr (noon), ʿAṣr (afternoon), Maghrib (evening), and ʿIshāʾ (night).

  6. Pinworm infection - Wikipedia

    en.wikipedia.org/wiki/Pinworm_infection

    Common [1] [5] Pinworm infection ( threadworm infection in the UK), also known as enterobiasis, is a human parasitic disease caused by the pinworm, Enterobius vermicularis. [3] The most common symptom is pruritus ani, or itching in the anal area. [1] The period of time from swallowing eggs to the appearance of new eggs around the anus is 4 to 8 ...

  7. DNA - Wikipedia

    en.wikipedia.org/wiki/DNA

    For example, only about 1.5% of the human genome consists of protein-coding exons, with over 50% of human DNA consisting of non-coding repetitive sequences. The reasons for the presence of so much noncoding DNA in eukaryotic genomes and the extraordinary differences in genome size , or C-value , among species, represent a long-standing puzzle ...

  8. Ehlers–Danlos syndrome - Wikipedia

    en.wikipedia.org/wiki/Ehlers–Danlos_syndrome

    Depends on specific disorder [4] Frequency. 1 in 5,000 [1] Ehlers–Danlos syndromes ( EDS) are a group of 13 genetic connective-tissue disorders. [7] Symptoms often include loose joints, joint pain, stretchy velvety skin, and abnormal scar formation. [1] These may be noticed at birth or in early childhood. [3]

  9. Knee effusion - Wikipedia

    en.wikipedia.org/wiki/Knee_effusion

    Signs and symptoms. Signs and symptoms of water on the knee depend on the cause of excess synovial fluid build-up in the knee joint. These may include: Pain. Osteoarthritis knee pain usually occurs while the joint is bearing weight, so the pain typically subsides with rest; some patients experience severe pain, while others report no discomfort.