Skin And Some Of Its Specialized Structures
Skin And Some Of Its Specialized Structures

The skin, the body’s largest organ, consists of the epidermis, a superficial cellular layer, and the dermis, a deep connective tissue layer The epidermis is a keratinized epithelium —that is, it has a tough, horny superficial layer that provides a protective outer surface overlying its regenerative and pigmented deep or basal layer . The epidermis has no blood vessels or lymphatics. The avascular epidermis is […]

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Tension Lines In The Skin
Tension Lines In The Skin

The tension lines (also called cleavage lines or Langer lines) tend to spiral longitudinally in the limbs and run transversely in the neck and trunk. Tension lines at the elbows, knees, ankles, and wrists are parallel to the transverse creases that appear when the limbs are flexed. The elastic fibers of the dermis deteriorate with age and […]

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