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The Epidermis is a type of epithelium tissue. Epithelium a type of tissue (the others being Muscle, Connective and Nervous) that lines internal and external surfaces. They are typically thin sheets of cells that have a range of functions such as: separating parts of the body, lining organs (like the lungs) and generally protecting your body (e.g. The skin - including the epidermis - protects ...
The dermis contains two layers : the outermost papillary layer and the deeper reticular layer. The thin papillary layer is composed of loose connective tissue and connects to the epidermis with papillae. Papillae may nourish the epidermis or act as touch receptors. And the thick reticular layer is made of dense connective tissue with irregular ...
New cells grow from the deepest layer of the epidermis, which is the: adipose tissue, the stratum basale, the stratum corneum, or the dermis? What is the role of blood vessels in the dermis related to thermoregulation?
The epidermis is considered a protective tissue because its prime purpose is to form a physical barrier between the outside and inside of the body. On the top stratum (layer) of the epidermis, the cells are dead, and so have no physiological function besides to form a barricade against the outside. This isn't totally true as the epidermis also ...
The epidermis consists of keratinized stratified squamous epithelium. Our skin has two layers : epidermis and dermis. Epidermis is an epithelial layer and dermis is a layer of connective tissue. The epidermis is made up of keratinized stratified epithelium. It has five different layers of keratin producing epithelial cells (keratinocytes): stratum basale stratum spinosum stratum granulosum ...
The reticular dermis is the lower layer of the dermis and is composed of dense irregular connective tissue featuring densely packed collagen fibres. Within the reticular region are the roots of hair, sebaceous glands, sweat glands, receptors, nails, and blood vessels. Dermal papillae are small extensions of the dermis into the epidermis.
Aug 26, 2017. The answer is HYPODERMIS, a subcutaneous layer, made of areolar tissue. Explanation: The hypodermis is the deepest layer of the skin, and it consists of loose connective tissue called areolar tissue. As stated in the question, it connects the upper layers of the skin (the epidermis and dermis) to underlying muscle, acting like a glue.
Tendons and ligaments are made of dense regular connective tissue because they need a strong structure. The dense regular connective tissue (CT) is different than dense irregular connective tissue. Both tissues are densely packed with collagen, a strong fibrous protein. However, they are organized differently. The dense regular CT's collagen fibers are arranged in parallel lines where the ...
The papillary layer provides nutrients to the skin and is involved sensory perception and temperature regulation. The papillary layer is a layer of the dermis, directly underneath the epidermis. This layer contains (endings of) capillaries, lymph vessels and sensory neurons. It has a loose network of connective tissue, this characteristic separates it from the reticular layer underneath. The ...
The arrector pili ("raiser of the hair") is a band of muscle tissue that connects a follicular unit to the dermis. Contraction of the arrector pili is involuntary. Stresses such as cold and fear may stimulate the autonomic nervous system and cause contraction — making the hair stand on end. In humans, the result is called goose bumps. Answer ...