Sorghastrum nutans was created in 1903.
The scientific or taxonomic name would be Sorghastrum nutans.
The Oklahoma state grass is Indiangrass (Sorghastrum nutans). It was designated as the official state grass in 1972 due to its importance in the state's history and ecology. Indiangrass is a native grass species that is commonly found in Oklahoma's grasslands.
Harmonia nutans was created in 1935.
Pterostylis nutans was created in 1810.
Silene nutans was created in 1753.
Huperzia nutans was created in 1944.
A tallgrass prairie is an ecosystem. Tallgrass Prairies cover a lot of land in the Midwestern US. They feature tall grasses, the species names of which include Sorghastrum nutans and Andropogon gerardii.
Sorgastrum nutans
The scientific or taxonomic name would be Carduus nutans.
The scientific name of the flower bluebell is Hyacinthoides non-scripta.
DefinitionSpasmus nutans is a disorder affecting infants and young children. It involves rapid, uncontrolled eye movements, head bobbing, and occasionally, abnormal positioning of the neck.See also: NystagmusCauses, incidence, and risk factorsMost cases of spasmus nutans begin between age 4 months and 1 year. It usually goes away by itself in several months to years.The cause is unknown, although it may be associated with other medical conditions. (Rarely, symptoms similar to spasmus nutans may be due to certain types of brain tumors.)SymptomsSmall, quick, side-to-side eye movements (nystagmus) - both eyes are involved, but each eye may move differentlyHead noddingHead tiltingSigns and testsA neurologic examination confirms the presence of the symptoms.Tests may include:CT scan of the headMRI scan of the headTreatmentThe benign form of spasmus nutans requires no treatment. If the spasmus nutans is caused by another condition, that condition must be treated appropriately.Expectations (prognosis)Usually, this disorder goes away on its own without treatment.ComplicationsThere are usually no complications.Calling your health care providerCall for an appointment with your health care provider if your child has rapid involuntary movements of the eyes or head nodding. The doctor will need to perform an exam to rule out other possible causes for the symptoms.ReferencesOlitsky SE, Hug D, Smith LP. Disorders of eye movement and alignment. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds.Nelson Textbook of Pediatrics. 18th Ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 622.
Created By was created in 1993.