Category: S

Infection of the intestine with Strongyloides stercoralis roundworm, usually acquired when larvae in the soil penetrate the skin and migrate to the intestines, producing diarrhea and malabsorption. Treatment is by anthelmintics.  

Congenital, bright red, superficial vascular tumor, resembling a strawberry; it tends to decrease in size and eventually to disappear during childhood. Type of birthmark characterized by raised vascular nevus, commonly observed on the face or neck. A dull red benign lesion, usually present at birth or appearing within 2 to 3 months thereafter. This type…

Layer of epidermis just under the stratum corneum or, in the area of the palms and soles just under the stratum lucidum; it contains cells with visible granules that die and move to the surface. A layer of cells containing deeply staining granules of keratohyalin found in the epidermis of the skin between the stratum…

Innermost layer of the epidermis, containing dividing cells and melanocytes (pigment cells) that resupply the outer skin layers. The outer part of this layer forms a prickle-cell portion with cells connected by spines or intercellular bridges; the inner part of this layer is the basal layer with dividing cells; also called stratum basale. The innermost…

At rest, in equilibrium; not changing. The study of matter at rest and of the forces bringing about equilibrium.  

Infections with pathogenic species of staphylococcus bacteria; usually characterized by abscess formation. Common staphylococcal infections include carbuncles, furuncles, and some forms of food poisoning with pathogenic species of staphylococcus bacteria; usually characterized by abscess formation. Common staphylococcal infections include carbuncles, furuncles, and some forms of food poisoning. The group of infections caused by bacteria of…

Any of a series of nerves of the sympathetic part of the autonomic nervous system, innervating viscera and blood vessels. The series of nerves in the sympathetic system that are distributed to the blood vessels and viscera, passing forward and downward from the chain of sympathetic ganglia near the spinal cord to enter the abdomen…

Any of several inherited disorders characterized by progressive degeneration of the spinal cord and cerebellum and usually marked by increasing spasticity, ataxia, and incoordination.  

Any ascending or descending pathway for sensory or motor nerve impulses found in the white matter of the spinal cord.  

Set of techniques used by emergency care providers to prevent movement of the cervical vertebrae following an injury; usually involves placing a semirigid collar around the patient’s neck and strapping him or her to a backboard.