Search Results for: muscles

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…of follicles. 10.37.9A: Pustular dermatitis, infundibular + 10.37.9B: A pustule in a single locus situated immediately above muscles of hair erection = Suppurative infundibulitis of unknown cause From the presence of muscles of hair erection beneath…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…l cells, structures of the dermoepithelial interface, blood vessels, lymphatics, collagen, elastic fibers, ground substance, muscles, and nerves. The strategy is to inform about how the skin looks by examination grossly and by inspection using…

Histologic Diagnosis of Inflammatory Skin Diseases

Suggested Readings

…. In: Royce MR, Steinmann B, eds. Connective Tissue and Its Heritable Disorders, 2nd ed. New York: Wiley-Liss, 2002:249-269. Muscles Barcaui CB, Pineiro-Maceira J, de Avelar Alchorne MM. Arrector pili muscle: evidence of proximal attachment variant…

Histologic Diagnosis of Inflammatory Skin Diseases

Lipodystrophy

…ed number and size of lobules in the subcutaneous fat, the patient has a wasted appearance. Secondary to severe loss of fat, muscles may appear to be hypertrophic and veins may seem to be prominent. Differential diagnosis histopathologic Localized…

Histologic Diagnosis of Inflammatory Skin Diseases

Nerves

…All motor fibers in skin are supplied by the autonomic nervous system. Adrenergic fibers activate arterioles, glomus bodies, muscles of hair erection, and apocrine glands; cholinergic fibers stimulate eccrine glands. Cutaneous sensory receptors can…

Histologic Diagnosis of Inflammatory Skin Diseases

Blood Vessels

…al structures of adnexa (folliculosebaceous-apocrine units and eccrine units) and nonepithelial structures of adnexa (smooth muscles, nerves, and medium-sized and larger blood vessels). Figure 1.72 The dermal vasculature consists of a network of two…

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…otrusion, which represents the future apocrine unit, and the lower bulge, which represents the site for future attachment of muscles of hair erection. With the exception of the palms, soles, and dorsa of the feet, sebaceous glands of various sizes…