Vaginal lubrication - Vaginal discharge. 1  The lubricative fluid contains water, pyridine, squalene, urea, acetic acid, lactic acid, complex alcohols and glycols, ketones, and aldehydes. [1] 2  Vaginal fluid is slightly acidic and can become more acidic with certain sexually transmitted diseases. The normal pH of vaginal fluid is between 3.8 and 4.5, whereas male semen is typically between 7.2 and 8.0 (a neutral substance has a pH of 7.0). Production
Freebase(0.00 / 0 votes)Rate this definition: Keratinocyte is the predominant cell type in the epidermis, the outermost layer of the skin, constituting 90% of the cells found there. Those keratinocytes found in the basal layer of the skin are sometimes referred to as basal cells or basal keratinocytes.
Stratum spinosum contains the keratin-producing cells that were formed in the stratum basale. Keratin is a major structural component of the outer layers of skin. Stratum basale forms the deepest layer. The cells of this layer continuously divide and form new keratinocytes to replace the ones that are constantly shed.