Mindblown: a blog about philosophy.

  • Orchidotomy

    A surgical operation to make a cut into a testis. An incision into the testis, usually done to obtain biopsy material for histological examination, particularly in men with few or no sperm in their semen. A surgical cut made into a testicle, also known as orchiotomy.  

  • Orchidopexy

    A surgical operation to place an undescended testis in the scrotum. The operation of mobilizing an undescended testis in the groin and fixing it in the scrotum. The operation should be performed well before puberty to allow the testis every chance of normal development. When testes do not descend into the scrotum, normally in young…

  • Orchidalgia

    A neuralgic type pain in a testis.  

  • Orbit

    The hollow bony depression in the front of the skull in which each eye and lacrimal gland are situated. Either of a pair of bony cavities in the skull that house the eyeball and associated structures; the eyeball socket. Round circuit, pertaining to the eye or bony socket in the cranium that surrounds all but…

  • Orbicularis oris

    A muscle which closes the lips tight.  

  • Orbicularis oculi

    A muscle which opens and closes the eye.  

  • Orbicularis

    A circular muscle in the face. Either of two circular muscles of the face. The orbicularis oris, around the mouth, closes and compresses the lips. The orbicularis oculi, around each orbit, is responsible for closing the eye.  

  • Oral thermometer

    A thermometer which is put into the mouth to take someone’s temperature.  

  • Oral rehydration therapy

    The administration of a simple glucose and electrolyte solution to treat acute diarrhoea, particularly in children, which has greatly reduced the number of deaths from dehydration. This is essential treatment for diarrhoea, particularly in children. There are a number of proprietary preparations, often dispensed as flavoured sachets, including Dioralyte and Rehydrat. In the developing world,…

  • Oral rehydration solution

    A liquid given as a drink to correct the water, mineral and nutritional deficiencies in a person who is affected by dehydration. A solution used to prevent or correct dehydration due to diarrheal illnesses. The World Health Organization recommends that the solution contain 3.5 g sodium chloride; 2.9 g potassium chloride; 2.9 g trisodium citrate;…

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