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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «I»:

  1. Introitus Introitus
    Introitus: In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the facial canal is the entrance to the facial canal, a passage in the temporal bone of the skull through which the facial nerve (the 7th cranial nerve) travels. The introitus of the vag...
  2. Introitus, facial canal Introitus, facial canal
    Introitus, facial canal: In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the facial canal is the entrance to the facial canal, a passage in the temporal bone of the skull through which the facial nerve (the 7th cranial nerve) travels. The Latin ...
  3. Introitus, vaginal Introitus, vaginal
    Introitus, vaginal: The vaginal opening is called the introitus of the vagina. The Latin word "introitus" comes from "intro", into, within + "ire", to go = to go into. In anatomy, an introitus is thus an entrance, one that goes into a canal or hollow organ such as the vagina. The vagina is a musc...
  4. Intron Intron
    Intron: Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when the exon sequences on either side of it are spliced together. Also called an intervening sequence. ...
  5. Intubate Intubate
    Intubate: To put a tube into a hollow organ or passageway, often into the airway. The opposite of intubate is extubate. ...
  6. Intubation Intubation
    Intubation: The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of intubation is extubation. ...
  7. Intussusception Intussusception
    Intussusception: Telescoping (prolapse) of a portion of the intestine within another immediately adjacent portion of intestine. This decreases the supply of blood to the affected part of the intestine, and frequently leads to intestinal obstruction. The pressure created by the two walls of the ...
  8. Inuit health Inuit health
    Inuit health: See: Artic health....
  9. Invasive candidiasis Invasive candidiasis
    Invasive candidiasis: A fungal infection that occurs when Candida (a yeast-like fungus) enters the bloodstream and then spreads through the body. Candida is the fourth most common cause of bloodstream infection among hospitalized patients in the US. A survey found that candidemia (bloodstream infec...
  10. Invasive cervical cancer Invasive cervical cancer
    Invasive cervical cancer: Cancer that has spread from the surface of the cervix to tissue deeper in the cervix or to other parts of the body. ...
  11. Inverse psoriasis Inverse psoriasis
    Inverse psoriasis: Also called flexural psoriasis, a form of psoriasis found in the armpits, groin, under the breasts and in other flexion creases (skin folds) such as those around the genitals and buttocks. This form of psoriasis appears as smooth, dry areas of skin that are red and inflamed but do...
  12. Inversion, chromosome Inversion, chromosome
    Inversion, chromosome: A chromosome segment is clipped out, turned upside down and reinserted back into the chromosome. A chromosome inversion can be inherited and have come from one of the parents to a child. Or the inversion can appear for the first time in a child. An inversion can be "bala...
  13. Inversion, paracentric chromosome Inversion, paracentric chromosome
    Inversion, paracentric chromosome: A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is paracentric) has been snipped out of a chromosome, turned through 180 degrees (inverted), and inserted right back into its original location in chromosome. T...
  14. Inversion, pericentric chromosome Inversion, pericentric chromosome
    Inversion, pericentric chromosome: A basic type of chromosome rearrangement in which a segment that includes the centromere (and so is pericentric) has been snipped out of a chromosome, turned through 180 degrees (inverted), and inserted back into its original location in chromosome. The feature tha...
  15. Invert Invert
    Invert: 1) To turn inward. To invert the foot is to move its forepart toward the midline of the body. 2) To turn upside down or inside out. Inversion of the nipple can be normal or be a sign of an underlying tumor. 3) To reverse in position or order. A DNA sequence may be inverted. From the Latin in...