In modern life, most of the patients' brothers and sisters suffer from skin diseases, and there are many details of skin diseases. I believe many compatriots have heard of it, but everyone does not fully understand its harm. In fact, skin diseases are different from big to small, but if the treatment is delayed, it will aggravate the condition and delay the better treatment opportunity, which may aggravate the condition.
Guizhou Provincial People's Hospital was founded in 1947, formerly known as Guiyang Higher Medical Vocational School. Located in Dongshan Scenic Area, Guiyang City, the capital of Guizhou Province, it is a three-level first-class general hospital. On February 4th, 20 18, 18 was announced by National Health Commission as the first batch of experimental hospitals for multidisciplinary diagnosis and treatment of tumors.
Epidermis is the outermost layer of skin, which can be divided into five layers from outside to inside according to different development stages and morphological characteristics of cells:
The stratum corneum consists of several layers of keratinocytes and contains keratin.
Transparent layer: It consists of 2-3 layers of flat transparent cells, the nucleus disappears and contains keratin. It can prevent the penetration of water, electrolyte and chemicals, so it is also called barrier zone. This layer is most obvious in the palm and metatarsal bones.
3. Granular layer: composed of 2-4 layers of flat spindle cells, containing a large number of basophilic transparent keratinocytes. When spindle cells in granular layer increase, it is called granular layer hypertrophy, which is often accompanied by hyperkeratosis; The granular layer disappears, often accompanied by poor keratinization.
4. Vertebral cell layer? It consists of 4-8 layers of polygonal spinous cells, which gradually flatten from bottom to top, and the cells are connected with each other through desmosomes, forming a so-called intercellular bridge.
⒌ Basal layer: It consists of a layer of columnar cells arranged in a grid.