Lymph vessels, tiny muscles attached to hair follicles (arector pili) Exocrine glands and touch receptors (called Pacinian Corpuscles) for sensations such as hot, cold, touch, painĨ Hypodermis Made up of loose connective tissue and fatty tissueĪllows the skin to slide over structures without tearing Subcutaneousĩ Glands Skin glands may be either sebaceous, sweat, or musk glands. Middle layer that contains blood and lymph vessels, nerve fibers, and accessory organs Subcutaneous layer deepest layer that contains connective tissueĦ Skin Skin is made up of three layers: Epidermis Epithelial tissueģ – 5 distinct cell layers depending on species or location on body Melanin is found in one of these layers (pigment / skin color) “Thick skin” found on areas of hard usage such as paw pads, dorsal neck, dorsal thorax, rumpħ Dermis Connective tissue containing blood vessels, nerves, The suffix -derma also means skin.ĥ Skin Layers Epidermis Dermis Subcutaneous layer most superficial layer The combining forms for skin are cutane/o, derm/o, and dermat/o. Skin is largest organ system in the body Skin plays a role in protecting animals from infection, waterproofs the body, prevents fluid loss, provides species-specific coloration/ camouflage, Maintains and regulates body temps and provides a site for vitamin D synthesis.Ĥ Skin Skin covers the external surfaces of the body and is composed of epithelial tissue. Accessory organs include glands, hair, fur, wool, feathers, scales, claws, beaks, horns, hooves, and nails. The integumentary system consists of skin and its accessories. Presentation on theme: "Chapter 10 Skin Deep."- Presentation transcript:
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