Demyelinating multiple sclerosis is an autoimmune disease where
the immune system damages the myelin sheath of nerve fibers. This
process disrupts brain signals, causing movement issues, sensitivity
problems, and chronic neurological symptoms.
Deoxyribonucleic acid (DNA). This image shows
the molecular organization of genetic material. In this
representation, the double helix, nucleotides, nitrogenous bases, and hydrogen bonds are identified.
Dermatomyositis and muscle weakness: an autoimmune
disorder where inflammation damages tissues and reduces muscle
mass. It causes severe motor weakness and progressive atrophy.
Treatment combines immunosuppressive drugs and specialized
physical therapy.
Dermatomyositis facial rash. This image presents the skin
alterations and inflammatory signs on the face, typical of this
autoimmune pathology. The illustration details the erythema and
visual changes that facilitate the understanding of this clinical
condition in the skin and muscles.
Dermatophytosis fungal infection. This schematic illustrates how
dermatophyte fungi affect keratin tissues, causing ringworm in the skin,
nails, and hair. The content describes visual symptoms and highlights
the efficacy of topical and oral antifungal treatments for its cure.
Diabetes mellitus type 1: an autoimmune disease where the pancreas
does not produce insulin. The body cannot process glucose, raising sugar
in the bloodstream. It requires the use of daily pumps or injections,
mainly affecting children and young people in their metabolic development.
A diabetic person feels low. This realistic illustration analyzes
the biological scenario of insulin resistance. The content explains
how cells respond inefficiently, forcing the pancreas to overwork,
leading to type 2 diabetes under factors like a sedentary lifestyle.
Diaper rash is a common skin condition that causes redness and
inflammation in infants. To combat it, keeping the area dry is essential,
along with applying quality barrier creams and making frequent diaper
changes to avoid further irritation and potential secondary infections.
Diffuse thyroid goiter defines the uniform enlargement of the
thyroid gland, frequently caused by a lack of iodine. This condition
alters hormonal production, causing fatigue, weight gain, and
visible swelling in the neck area.