Medical Webbook

laryngoscopy

laryngoscopy

Examination of the larynx (voice box) using a mirror held against the back of the palate (indirect laryngoscopy), or a viewing tube called a laryngoscope (direct laryngoscopy). Either a rigid or a flexible laryngoscope may be required. WHY IT...

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Osteochondritis juvenilis

Osteochondritis juvenilis

Inflammation of an epiphysis (growing area of bone) in children and adolescents. The exact cause is unknown, but the condition is thought to be due to disrupted blood supply to the bone. There are several distinct types...

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Neuroblastoma

Neuroblastoma

Neuroblastoma: A tumor of the adrenal glands or sympathetic nervous system (the part of the nervous system responsible for certain automatic body functions, notably the fight or flight response). Most neuroblastomas develop in the adrenal glands or in the sympathetic nerves...

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neural tube

Neural tube defect

Neural tube defect: A developmental failure affecting the spinal cord or brain in the embryo. Very early in fetal development, there is a ridge of neural-like tissue along the back of the embryo. As the fetus develops, this material differentiates into...

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