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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. Six fingers or toes Six fingers or toes
    Six fingers or toes: The presence of an extra sixth finger or toe, a very common congenital malformation (birth defect). This condition is called hexadactyly. The word hexadactyly literally means six digits. In medical usage, hexadactyly does not specify whether the six digits are fingers or toes...
  2. Sixth cranial nerve Sixth cranial nerve
    Sixth cranial nerve: The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle called the lateral rectus muscle that moves the eye outward. Paralysis of the abducent nerve causes inward turning of the eye (internal strabismus) leading to double vision....
  3. Sixth disease Sixth disease
    Sixth disease: A viral disease of infants and young children with sudden onset of high fever which lasts several days and then suddenly subsides leaving in its wake a fine red rash. The causative agent is herpesvirus type 6 so the disease is known as Sixth Disease. Also known as Exanthem subitum (su...
  4. Sjogren of Sjogren syndrome Sjogren of Sjogren syndrome
    Sjogren of Sjogren syndrome: Henrik Samuel Conrad Sjögren, Swedish ophthalmologist (1899-1986), who described the sicca syndrome, a chronic disease, commonly called Sjögren syndrome today. Sjögren graduated in medicine in 1922 from the Karolinska Institute in Stockholm and in 1925 f...
  5. Sjogren syndrome Sjogren syndrome
    Sjogren syndrome: An autoimmune disease that classically combines dry eyes, dry mouth, and another disease of the connective tissues such as rheumatoid arthritis (most common), lupus, scleroderma or polymyositis. Inflammation of the glands that produce tears (the lacrimal glands) leads to decreas...
  6. Sjogren-Larsson syndrome Sjogren-Larsson syndrome
    Sjogren-Larsson syndrome: The Sjogren-Larsson syndrome is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) and mental retardation. The skin changes in the Sjogren-Lars...
  7. SJS SJS
    SJS: Stevens-Johnson syndrome. ...
  8. Skeletal Skeletal
    Skeletal: Pertaining to the skeleton, the bones of the body which collectively provide the framework for the body....
  9. Skeletal dysplasia Skeletal dysplasia
    Skeletal dysplasia: One of a large contingent of genetic diseases in which the bony skeleton is abnormally formed during development. For example, achondroplasia (achondroplastic dwarfism). ...
  10. Skeletal muscle Skeletal muscle
    Skeletal muscle: One of three types of muscle tissue in the body (skeletal, smooth, cardiac) which represents the majority of the muscular tissue in the body. Skeletal muscle is the type of muscle which powers movement of the skeleton as in walking and lifting....
  11. Skeleton Skeleton
    Skeleton: The skeleton is composed of bones and is the framework of the body....
  12. Skeleton, bones of the Skeleton, bones of the
    Bones of the skeleton: The human body has 206 bones. These consist of 80 axial (head and trunk) bones and 126 appendicular (upper and lower extremity) bones. Axial bones: The 80 axial bones comprise 29 bones in the head and 51 bones in the trunk. Head bones: The 29 head bones consist of 8 cranial bo...
  13. Skin Skin
    Skin: The skin is the body's outer covering. It protects us against heat and light, injury, and infection. It regulates body temperature and stores water, fat, and vitamin D. Weighing about 6 pounds, the skin is the body's largest organ. It is made up of two main layers; the outer epidermis and ...
  14. Skin abscess Skin abscess
    Skin abscess: A common boil, a collection of pus beneath the skin, which may need to be surgically lanced to let it drain and heal. ...
  15. Skin biopsy Skin biopsy
    Skin biopsy: Removal of a piece of skin for the purpose of further examination in the laboratory using a microscope. Skin biopsy is most frequently done to diagnose a skin growth such as a mole, or a skin condition such as a rash. Different techniques are used in different situations. A shave b...