Sphenoid
1. Shaped like a wedge. 2. Relating to the sphenoid bone (which is wedge-shaped).
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- Sphenoid bone
A prominent, irregular, wedge-shaped bone at the base of the skull. The sphenoid bone has been called the ‘keystone’ of the cranial floor because it is in contact with all of the other cranial bones.
- Sphenopalatine neuralgia
Characterized by the absence of sustained periods of remission, chronic cluster headache may start with no past history of cluster headaches, or it may emerge several years after the patient has experienced an episodic pattern of cluster headaches. The episodic and acute forms of cluster headache may transform into one another, so it seems most […]
- Spherocytosis, hereditary (HS)
50 chance to have hereditary spherocytosis. The treatment of hereditary 0spherocytosis is to remove the spleen (splenectomy). Although the red cell defect persists, the breakup of the red cells (hemolysis) ceases. Splenectomy, however, is a hazard in young children. Young children without a spleen are at increased risk for overwhelming sepsis (bloodstream infection), particularly with […]
- Sphingomyelin lipoidosis
the classical infantile form (type A), the visceral (organ) form (type B), the subacute or juvenile form (type C), the Nova Scotian variant (type D), and the adult form (type E). The disease is named for the German physicians Albert Niemann (1880-1921) and Ludwig Pick (1868-1944). Other names for the disease include sphingomyelinase deficiency.
- Sphingomyelinase deficiency
the classical infantile form (type A), the visceral (organ) form (type B), the subacute or juvenile form (type C), the Nova Scotian variant (type D), and the adult form (type E). The disease is named for the German physicians Albert Niemann (1880-1921) and Ludwig Pick (1868-1944). Other names for the disease include sphingomyelinase deficiency.