Atopic dermatitis can appear on the face (especially in infants), hands, feet or in the creases and folds of the skin. Dry, scaly and itchy skin are the norm, and constant scratching may lead to a thickened area. While eczema often occurs in people with allergies, allergies do not cause...
[19]. Mori S, Kohyama M, Yasumizu Y, et al. Neoself-antigens are the primary target for autoreactive T cells in human lupus. Cell. 2024;187(21):6071-6087.e20. [20]. Dai D, Gu S, Han X, et al. The transcription factor...
What this means is if the stem cells are doing bad things your doctor has no way to stop it. You have no way to stop it. Also because stem cells are alive they can grow inside your body, move around, and change. This can be helpful or harmful, but the big point is that it is...
Skin boils, also called skin abscesses, are deep skin infections which are localized to one specific spot. These infections can be painful and unsightly, but are not usually dangerous. Most people can treat skin boils at home with simple natural remedies, but people with certain health ...
Cancer.Since epithelial cells have a high turnover rate, the most common condition associated with epithelial tissues is cancer. If a tumor is benign, or non-cancerous, and is found in the epithelium, it is either an adenoma or papilloma. These are usually found on the skin or along the...
skin. That makes skin uncomfortable and less able to do its job as our protective casing. It’s not just the moist inner layers of the dermis that the skin barrier is there to protect. Our bodies are a bit less than 60 per cent water, and the skin, as our biggest organ, has the ...
What are cancer cells? What do cells use energy for? CD8 killer T-cells and natural killer cells (NK cells) both have the ability to induce apoptosis in most cells of the body. What distinguishes these two cells and their killing abilities?
Stimulation by any of these agents is typically related to inflammation, dryness or other damage to the skin, mucous membranes or conjunctiva of the eye. In general, pruritus involves activation of the pruriceptors of specialized nerve cells called C-fibers. These C-fibers are identical to thos...
I think I understand mitosis pretty well, but meiosis seems a lot more complicated. The article says a cell creates four haploid daughter cells in meiosis. What does haploid mean? Plus, it talks about gametes creating an embryo. Are gametes like sperm and eggs? Isn't that what forms an ...
Blackheads: Small clogged pores that turn black because the trapped oil and dead skin cells are exposed to the air Fungal acne: Small, uniform bumps that tend to spread across a central area—especially on the forehead, jaw, chest, or back Papules: Tender bumps with redness and swelling caus...