The muscle weakness in ALS has an altered function in the motor
system. Moreover, under normal conditions, motor neurons transmit
signals to muscles. Additionally, they allow coordinated contraction.
Onychomycosis: this fungal infection, caused by dermatophytes,
generates color changes, thickening, and brittleness in toenails.
Humidity and inappropriate footwear favor its development. Treatment
includes topical or oral antifungals to restore nail health and appearance
effectively.
Phases of venous valves. Comparison between the normal valve
and varicose veins, where the valve failure causes blood reflux,
blood accumulation, venous dilation, and symptoms such as pain,
swelling and heaviness.
Piedraia hortae infection is a superficial fungal condition causing
dark, hard nodules on the hair shaft. Moreover, it mainly affects the
scalp and may lead to hair fragility without significant inflammation.
Prostate cancer is a malignant growth in the prostate gland that
may be asymptomatic early. It can cause urinary difficulties, pain,
and blood in urine, requiring diagnosis with PSA tests and biopsy.
Reactive arthritis: discover how this musculoskeletal condition
impacts joint and skin health. This summary details tissue inflammation,
psoriasis-like ulcers, and current treatments. Learn why specialized
medical management is key to avoiding long-term complications and pain.
Representationof arteriosclerosis. Illustrationshowingthehardening andnarrowingof the arteriesdueto the accumulationoffatand cholesterol, which reducesbloodflowandincreasesthe riskofheart
attack, stroke,andothercardiovasculardiseases.
Severe hypercholesterolemia involves very high cholesterol and
triglyceride levels, leading to plaque buildup, reduced blood flow,
and increased risk of heart attack and stroke, often without early
symptoms.
Skin aging: this natural process leads to the loss of collagen, elastin,
and essential oils. The formation of wrinkles and thinning of the
epidermis are key signs caused by age and the sun. The use of sunscreen
is vital to mitigate these biological effects effectively.
Skin deterioration: this biological process involves collagen loss,
dryness from lack of oils, and thinning of the epidermis. Wrinkle
formation and spots are common signs of cumulative sun exposure.
The use of sunscreen is vital to mitigate these aging effects effectively
Skin with folliculitis.This illustration highlights the inflammation
of hair follicles, characterized by pustules and red bumps.The content
describes the bacterial and irritative causes, emphasizing the importance
of hygiene and specific treatments to preserve skin health.
Systemic lupus erythematosus. This anatomical illustration
details the butterfly rash on the female face, characteristic of SLE.
The content explains the autoimmune causes of the disease and
highlights the importance of specialized and multidisciplinary
medical care.