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- https://med.libretexts.org/Bookshelves/Veterinary_Medicine/Anatomy_and_Physiology_of_Animals_(Lawson)/05%3A_The_Skin/5.02%3A_Skin_Structures_Made_of_KeratinThey consist of a core of bone arising in the dermis of the skin and are fused with the skull. The horns on the head of giraffes are made of bone covered with skin and hair, and the ‘horn’ of a rhinoc...They consist of a core of bone arising in the dermis of the skin and are fused with the skull. The horns on the head of giraffes are made of bone covered with skin and hair, and the ‘horn’ of a rhinoceros is made of modified and fused hair-like structures. A small bundle of smooth muscle fibres (the hair erector muscle) is attached to the side of each hair and when this contracts the hair stands on end.
- https://med.libretexts.org/Courses/Skyline_College/BIOL_250%3A_Human_Anatomy/04%3A_The_Integumentary_System/4.02%3A_Layers_of_the_SkinThe stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. In a growing fetus, f...The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. In a growing fetus, fingerprints form where the cells of the stratum basale meet the papillae of the underlying dermal layer (papillary layer), resulting in the formation of the ridges on your fingers that you recognize as fingerprints.
- https://med.libretexts.org/Bookshelves/Veterinary_Medicine/Anatomy_and_Physiology_of_Animals_(Lawson)/05%3A_The_Skin/5.07%3A_SummarySkin consists of two layers: the thin epidermis and under it the thicker dermis. The Epidermis is formed by the division of base cells that push those above them towards the surface where they die and...Skin consists of two layers: the thin epidermis and under it the thicker dermis. The Epidermis is formed by the division of base cells that push those above them towards the surface where they die and are shed. Melanin deposited in cells at the base of the epidermis protects deeper cells from the harmful effects of the sun. The Dermis is composed of loose connective tissue and is well supplied with blood.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_1e_(OpenStax)/Unit_2%3A_Support_and_Movement/05%3A_The_Integumentary_System/5.01%3A_Layers_of_the_SkinThe stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. In a growing fetus, f...The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. In a growing fetus, fingerprints form where the cells of the stratum basale meet the papillae of the underlying dermal layer (papillary layer), resulting in the formation of the ridges on your fingers that you recognize as fingerprints.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(OERI)/04%3A_Integumentary_System/4.02%3A_Layers_of_the_SkinThe skin is composed of two structurally distinct layers. These layers of differing cells and tissues are held to underlying structures by connective tissue. Together these layers provide that struc...The skin is composed of two structurally distinct layers. These layers of differing cells and tissues are held to underlying structures by connective tissue. Together these layers provide that structure necessary for the overall functions of the integumentary system.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_2e_(OpenStax)/02%3A_Support_and_Movement/05%3A_The_Integumentary_System/5.02%3A_Layers_of_the_SkinIn a growing fetus, fingerprints form where the cells of the stratum basale meet the papillae of the underlying dermal layer (papillary layer), resulting in the formation of the ridges on your fingers...In a growing fetus, fingerprints form where the cells of the stratum basale meet the papillae of the underlying dermal layer (papillary layer), resulting in the formation of the ridges on your fingers that you recognize as fingerprints. Figure \PageIndex5: Cells of the Epidermis The cells in the different layers of the epidermis originate from basal cells located in the stratum basale, yet the cells of each layer are distinctively different.
- https://med.libretexts.org/Bookshelves/Veterinary_Medicine/Anatomy_and_Physiology_of_Animals_(Lawson)/05%3A_The_Skin/5.04%3A_The_Skin_and_SunExcessive exposure to the UV in sunlight can be damaging and the pigment melanin, deposited in cells at the base of the epidermis, helps to protect the underlying layers of the skin from this damage. ...Excessive exposure to the UV in sunlight can be damaging and the pigment melanin, deposited in cells at the base of the epidermis, helps to protect the underlying layers of the skin from this damage. Melanin also colours the skin and variations in the amount of melanin produces colours from pale yellow to black. As holes in the ozone layer increase exposure to the sun’s UV rays, so too does the rate of skin cancer in humans and animals.
- https://med.libretexts.org/Bookshelves/Nursing/Nursing_Skills_(OpenRN)/14%3A_Integumentary_Assessment/14.02%3A_Basic_Integumentary_ConceptsThe skin is composed of two main layers: the uppermost thin layer called the epidermis made of closely packed epithelial cells, and the inner thick layer called the dermis that houses blood vessels, h...The skin is composed of two main layers: the uppermost thin layer called the epidermis made of closely packed epithelial cells, and the inner thick layer called the dermis that houses blood vessels, hair follicles, sweat glands, and nerve fibers. These glands are found all over the skin’s surface, but are especially abundant on the palms of the hand, the soles of the feet, and the forehead.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(Lange_et_al.)/04%3A_Integumentary_System/4.02%3A_Layers_of_the_SkinThe skin is composed of two structurally distinct layers. These layers of differing cells and tissues are held to underlying structures by connective tissue. Together these layers provide that struc...The skin is composed of two structurally distinct layers. These layers of differing cells and tissues are held to underlying structures by connective tissue. Together these layers provide that structure necessary for the overall functions of the integumentary system.
