Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 5.5, Problem 4QC
Define the following terms: nail bed, nail plate, nail matrix, and proximal nail fold.
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Students have asked these similar questions
Define or describe the nail plate, nail fold, eponychium,hyponychium, and nail matrix
Describe the structure of the nail bed.
location 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
Chapter 5 Solutions
Human Anatomy & Physiology
Ch. 5.1 - 1. What are the major structures of the skin, and...Ch. 5.1 - Explain how the integument provides protection...Ch. 5.1 - Prob. 3QCCh. 5.1 - Describe the other functions of the integument....Ch. 5.2 - 1. What are the five strata of the epidermis? How...Ch. 5.2 - Explain how a keratinocyte that begins its life in...Ch. 5.2 - In addition to keratinocytes, what three types of...Ch. 5.2 - Compare and contrast thin and thick skin.Ch. 5.3 - Which type of tissue makes up the papillary layer...Ch. 5.3 - What are the functions of the dermal papillae?
Ch. 5.3 - 3. Which type of tissue makes up the reticular...Ch. 5.3 - 4. What other structures are located in the...Ch. 5.3 - 5. How does the papillary layer of the dermis...Ch. 5.3 - What causes tension lines and flexure lines? How...Ch. 5.4 - How is melanin produced, and how does it interact...Ch. 5.4 - What are the functions of melanin?Ch. 5.4 - 3. What is carotene, and what color does it give...Ch. 5.4 - Prob. 4QCCh. 5.4 - 5. How can the oxygen content of the blood affect...Ch. 5.4 - 6. What is cyanosis, and what can it tell us...Ch. 5.5 - How do the hair shaft and hair root differ?Ch. 5.5 - How does a hair grow in length?Ch. 5.5 - Prob. 3QCCh. 5.5 - Define the following terms: nail bed, nail plate,...Ch. 5.5 - How does nail growth occur?Ch. 5.5 - Prob. 6QCCh. 5.5 - What are the other three types of sweat glands,...Ch. 5.5 - 8. How do sebaceous glands and sebum differ from...Ch. 5.6 - Prob. 1QCCh. 5.6 - Prob. 2QCCh. 5.6 - What is cancer?Ch. 5.6 - 4. How do the three types of skin cancer differ?
Ch. 5 - Explain why the skin is an organ.Ch. 5 - Which of the following correctly describes the...Ch. 5 - Which of the following is not a function of the...Ch. 5 - 4. Explain what happens to dermal blood vessels...Ch. 5 - Number the strata of thick skin epidermis from...Ch. 5 - Keratinocytes in the superficial strata of the...Ch. 5 - Mark the following statements as true or false. If...Ch. 5 - Which of the following statements is false? a....Ch. 5 - What are the functions of the dermal papillae?Ch. 5 - Epidermal ridges are created by: a. the epidermal...Ch. 5 - 11. Mark the following statements as true or...Ch. 5 - 12. Which of the following is not a function of...Ch. 5 - 13. Fill in the blanks: The portion of the hair...Ch. 5 - Nail growth occurs when: a. cells in the nail...Ch. 5 - Prob. 15CYRCh. 5 - Match each type of gland with its correct...Ch. 5 - How do sweat and sebum differ?Ch. 5 - 18. Which type of burn involves the epidermis and...Ch. 5 - 19. The type of skin tumor that involves the...Ch. 5 - Prob. 1CYUCh. 5 - Prob. 2CYUCh. 5 - The hair and nails are sometimes called accessory...Ch. 5 - 1. You are working in the emergency department...Ch. 5 - 2. After Ramon’s skin came into contact with a...Ch. 5 - 3. Which of the following is not a function of...Ch. 5 - 4. What would happen to the skin if the oil...Ch. 5 - Many antiaging skin creams contain collagen and...Ch. 5 - 6. Would a mild second-degree burn be likely to...
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- Identify nail structures on your own nails.arrow_forwardIdentify the nail structures on the diagram in Figurearrow_forwardWhat is the more common term for the eponychium of the nail? The visible part of the hair is called the: What is the white, half-moon shaped area of the proximal nail called? Which cells of the epidermis produce the pigment of the skin? What glands are associated with hair follicles? What are the main types of fingerprint patterns? How many layers of epidermis are found in thin skin? What are the most numerous sudoriferous glands called - that are found in most skin? What is the smooth muscle associated with every hair follicle called? What is the outer layer of hair called that is made up of dead keratinized cells? Where are ceruminous glands found? What is the tough, water-repellent layer of the epidermis called? What is the thicker, deeper layer of the dermis called?arrow_forward
- Describe the anatomical structure of nails, and explain how they are formed.arrow_forwardSkin Accessories Label the parts of a hair follicle: Sebaceous gland * Hair shaft * Hair bulb * Hair root * Hair papilla Label the parts of a nail: Eponychium * Free edge * Hyponychium * Lunula * Nail matrix * Nail root * Lateral nail fold * Nail bed * Nail plate. 11 7 12 1 8 13 2 5 3 9. 10 14 4arrow_forwardIdentify and describe the characteristics of sweat glands,sebaceous glands, and other glands found in the skin.arrow_forward
- staple here please NAME: Label the following: Hair follicle, Sebaceous gland, Epidermis, Dermis (papillary layer), Dermis (reticular layer), Hypodermis, Arrector pili muscle, Sweat gland. Oil gland (produces sebum) LAB SECTION: Blood vessels Epidermis Dermis Subcutaneous layerarrow_forwardPartial or complete lack of hair due to genetic factors, aging, chemotherapy or skin diseases is known as?arrow_forwardWhich of the following terms is least relatedto the rest?a. lunuleb. nail platec. hyponychiumd. free edgee. cortearrow_forward
- This is a picture of Thick Skin - dermis. Please use arrows to identify the following: papillary layer reticular layer collage fibersarrow_forwardThe actively growing part of the nail is the a. nail matrix. b. free edge. c. nail folds. d. nail root. e. nail bed.arrow_forwardWhy is the lunule of a nail white instead of pink like the rest of the nail?arrow_forward
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