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- Match the following structures with the skin layer in which they are located Pacinian corpuscles Melanocytes Merkel cells Langerhans cells Meissner's corpuscles A Epidermis B Dermis C Subcutaneous6 Label this diagram of the layers and structures of the epidermis. 314 words IX 255 I= Focus REE GO Photo by Ev Tchebotarev MAR 20 + 88% tlocation for mitosis of the nail keratinocytes responsible for nail growth most distal portion used to protect fingertips from unnecessary stimuli; white in color due to the absence of tissue underneath superficial layer of hardened dry non-pigmented cells used to protect underlying tissues viewed as having a red coloration due to the deep supply of blood vessels and adhered to the outer surface of the nail most superficial layer of keratinocytes containing melanin that are flexible due to the presence of sebum distributed on its surface protective seal /border of thicken tissue preventing microorganisms, debris, chemicals, & liquids from moving between the dermis and epidermis of the skin most proximal white portion of the nail where the younger cells of the nail are located cuticle epidermis free edge lunula nail bed nail plate nail root
- Match these skin appendages to their functions: Sweat glands Temperature regulatior Sebaceous glands Lubrication Pacinian corpuscle Sensation and cushioni Meissner's corpuscle Light touch Hair shaft Deep pressureChoose all correct answers below pertaining to the papillary layer of the dermis: It is the outermost layer of the dermis O It consists of dense irregular connective tissue It consists of areolar connective tissue It contains dermal papillaeThe correct order of structures from most superficial to deep is: Stratum corneum, Stratum Basale, Sebaceous Gland, Meissner's Corpuscle Stratum Granulosum, Melanocyte, Areolar Connective Tissue, Pacinian Corpuscle Hypodermis, Meissner's Corpuscle, Arector Pili, Stratum Spinosum Stratum Basale, Stratum Lucidum, Dermal Papillae, Pacinian Corpuscle
- Soap, as in baby wipes, can encourage the movement of antigens through the epidermis to dermal immune cells, increasing the risk of development of allergies to those antigens True The whole statement is true. False Some of the statement is false.Which skin pigment is sunlight induced and what cell produces this pigment? Explain the synthesis & function of this pigment.There are no blood vessels in the epidermal layer of the skin. True O False
- Draw an HPO view of the dermis and label its layers/parts.Papillary Layer: Each of these bumps or areas of the dermis that protrude into the epidermis is called a epiderma ridges What is the function of the dermal papilla? Reticular Layer: "Reticular" means network and can refer to many structures, not just reticular connective tissue. This layer of the dermis is made of mostly dense irregular connective tissue. Why?_ Draw what you see. Label the collagen fibers, fibroblast nuclei, and any hair or glands that you see. HYPODERMIS: Fibroblast: Collagen Dense regular connective tissue Dense irregular connective tissue You will see a tissue that looks like soap bubbles. Each "bubble" is a single cell with one nucleus pushed to the very edge of the bubble. The rest of the cell is filled with fat or adipose, giving the tissue its name: loose connective tissue. You also find this tissue in areas of the body where fat is stored (yellow bone marrow, greater omentum, etc.) What is the function of this tissue in this layer of the skin? Draw what you…1. Complete the table below with information about the different types of cells of the epidermis. Cell Type 1. Brief description of unique cell features Found in which Abundance of layer(s) of epidermis? Name all that apply cells Keratinocyte Stratum basale • Straturn Cells that mony facture Keratin. Linked by numerous desmosomes. SPISOSUM Melanocyte Protein melanin SKIN piogment rangines prom o rovge. red to brown-black. estratum basale Dendritic cells • Stratum Spinosum Pralect the skin ond deeper tissues From pathogens. Tactile/Merkel Cells Sensory receplars Delect light Houch and diffentiale Sapes ond Hexture. ostratum basale
