Recurrent abortion
The occurrence of 3 or more miscarriages (which are medically termed “spontaneous abortions”) with no intervening pregnancies.
Recurrent abortion (or, as it is sometimes called, habitual abortion) is a form of infertility. It may be due to chromosome abnormalities.
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- Recurrent aural vertigo
A condition, also known as Meniere’s disease, with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms include vertigo, dizziness, nausea, vomiting, loss of hearing (in the affected ear), and abnormal eye movements. Meniere’s syndrome or disease is due to dysfunction of the semi-circular canals (endolymphatic sac) in the inner ear. The […]
- Recurrent laryngeal nerve
One of the branches of the vagus nerve, a long and important nerve that originates in the brain stem. After the recurrent laryngeal nerve leaves the vagus nerve, it goes down into the chest and then loops back up, to supply nerves to the larynx (the voice
- Recurrent respiratory papillomatosis
Recurrent respiratory papillomatosis (RRP) involves the growth of numerous warty growths in the larynx in children. It is usually diagnosed between the ages of two and three years. RRP is thought to be caused by acquisition of human papilloma virus during passage through the birth canal of an infected mother. Risk factors for RRP include […]
- Recurrent trisomy
Recurrence of trisomy, as when there are two or more children with trisomy in the same family. Recurrent trisomy may involve the same chromosome (homotrisomy) or different chromosomes (heterotrisomy). Women who have had a child with trisomy 21 have a significantly increased risk of having another pregnancy with trisomy 21. There is also an increased […]
- Red blood cell
The blood cell that carries oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cell its red color (and name). The mature red blood cell (RBC) is a non-nucleated biconcave disk. Thanks […]