
Human skin | Definition, Layers, Types, & Facts | Britannica
Human skin, in human anatomy, the covering, or integument, of the body’s surface that both provides protection and receives sensory stimuli from the external environment. The skin …
Skin disease | Description, Types, & Treatment | Britannica
Skin disease, any of the diseases or disorders that affect the human skin. Like other tissues, skin is afflicted by all types of pathological changes, and thus skin diseases have a wide range of …
Race - Human Variation, Genetics, Anthropology | Britannica
Dec 6, 2025 · Race - Human Variation, Genetics, Anthropology: Scientists have known for many decades that there is little correlation between “race,” used in its popular sense, and actual …
Human body | Organs, Systems, Structure, Diagram, & Facts
Dec 10, 2025 · The human body is the physical substance of the human organism. Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with …
Epithelium | Anatomy, Structure & Function | Britannica
Nov 28, 2025 · Epithelium, in anatomy, layer of cells closely bound to one another to form continuous sheets covering surfaces that may come into contact with foreign substances. …
Ectoderm | Epidermis, Neural Crest & Embryonic | Britannica
Ectoderm, the outermost of the three germ layers, or masses of cells, which appears early in the development of an animal embryo. In vertebrates, ectoderm subsequently gives rise to hair, …
Fish - Skin, Scales, Adaptations | Britannica
Oct 28, 2025 · Fish - Skin, Scales, Adaptations: The skin of a fish serves many functions. It aids in maintaining the osmotic balance, provides physical protection, coloration, contains sensory …
Fascia | Description, Anatomy, Function, & Disease | Britannica
The fascia is a network of connective tissue that envelops and supports the various structures and organs of the body.
Eccrine gland | anatomy | Britannica
Other articles where eccrine gland is discussed: human skin: Sweat glands: There are two distinct types: eccrine glands open by a duct directly onto the skin surface; apocrine glands usually …
Skin cancer | Causes, Types & Treatment | Britannica
Dec 13, 2025 · What is skin cancer? How does skin cancer form in the body? What are the main types of skin cancer? How does abnormal cell growth lead to tumors in skin cancer?