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  2. Why some people have a small hole in front of their upper ears

    www.aol.com/lifestyle/2016-11-29-why-some-people...

    It is called preauricular sinus which, according to the U.S. National Institutes of Health, or NIH, "generally appears as a tiny skin-lined hole or pit, often just in front of the upper ear where ...

  3. Preauricular sinus and cyst - Wikipedia

    en.wikipedia.org/wiki/Preauricular_sinus_and_cyst

    Preauricular sinuses and cysts result from developmental defects of the first and second pharyngeal arches. [10] This and other ear malformations are sometimes associated with renal anomalies. [ 11 ] In rare circumstances these pits may be seen in genetic conditions such as branchio-oto-renal syndrome ; however these conditions are always ...

  4. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".

  5. Preauricular deep parotid lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Preauricular_deep_parotid...

    The preauricular deep parotid lymph nodes (anterior auricular glands or preauricular glands), from one to three in number, lie immediately in front of the tragus. Their afferents drain multiple surfaces, most of which are lateral in origin.

  6. Congenital lip pit - Wikipedia

    en.wikipedia.org/wiki/Congenital_lip_pit

    A congenital lip pit or lip sinus is a congenital disorder characterized by the presence of pits and possibly associated fistulas in the lips. They are often hereditary, and may occur alone or in association with cleft lip and palate , termed Van der Woude syndrome .

  7. Discharge - Wikipedia

    en.wikipedia.org/wiki/Discharge

    Mucopurulent discharge, the emission or secretion of fluid containing mucus and pus; Nipple discharge, the release of fluid from the nipples of the breasts; Rectal discharge, fluid released from the anus; Emotional discharge, in co-counselling, the ways in which pent-up emotional hurt can be released, e.g. via crying, laughter, etc.

  8. If You See White Stuff on Your Peach Pit, This Is What It Means

    www.aol.com/lifestyle/see-white-stuff-peach-pit...

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  9. Mucus - Wikipedia

    en.wikipedia.org/wiki/Mucus

    The green color of mucus comes from the heme group in the iron-containing enzyme myeloperoxidase secreted by white blood cells as a cytotoxic defense during a respiratory burst. In the case of bacterial infection, the bacterium becomes trapped in already-clogged sinuses , breeding in the moist, nutrient-rich environment.