Term
| Name the layers of the epidermis from superficial to deep? |
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Definition
| The layers of the epidermis from superficial to deep are the stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum and the stratum basale |
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Term
| When you get a cut that only penetrates the epidermis, why doesn't it bleed? |
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Definition
| There are no blood vessels in the epidermis. |
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Term
| In which layer of the epidermis would you find the cells that are undergoing mitosis? |
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Definition
| They are found in the stratum basale layer of the epidermis |
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Term
| What does the adipose tissue in the hypodermis act to do? |
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Definition
| It acts as insulation, padding, and creates difference in body shape |
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Term
| What is the function of sebum? And what glands produce sebum? |
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Definition
| Sebum prevents the skin from drying out and provides protection from bacteria. Sebum is produced by the sebaceous glands. |
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Term
| What are the two types of sweat glands in the body? |
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Definition
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Term
| Where are the merocrine glands located in the body, and where are they most numerous? |
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Definition
| They are located throughout the body, but are most numerous on the palms and soles. |
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Term
| Where are the apocrine glands located? |
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Definition
| They are located in the axillae, genitalia, and around the anus. |
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Term
| When the body gets hot or overheated, what does the brain signal the dermal blood vessels to do? |
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Definition
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Term
| When the body is cold, what does the brain signal the dermal blood vessels to do? |
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Definition
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Term
| How does the Integument system respond to an increase in body temperature? |
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Definition
| By dermal vasodilation and sweating |
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Term
| What are nails a derivative of? |
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Definition
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Term
| What is the primary composition of hair? |
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Definition
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Term
| The dermis is comprised by which two types of tissue? |
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Definition
| Areolar connective tissue and dense connective tissue |
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Term
| What level of organization is the skin? |
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Definition
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Term
| Nerve fibers, hair follicles, sebaceous glands, and sweat glands are found in what layer of the skin? |
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Definition
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Term
| The skin is also known as a membrane, what is the name of this membrane? |
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Definition
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Term
| The hypodermis is composed of what two types of tissue? |
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Definition
| Adipose and areolar connective tissue. |
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Term
| What separates the dermis from the epidermis? |
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Definition
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Term
| In what layer of the epidermis are the youngest cells found? |
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Definition
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Term
| In what layer of the skin is the greatest amount of keratin found? |
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Definition
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Term
| What other name is the stratum basale layer known by? |
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Definition
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Term
| Calluses are thickened layers and are caused by what? |
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Definition
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Term
| In what layer of the epidermis are pigment producing melanocytes found/ |
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Definition
| They are found in the stratum basale layer |
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Term
| What does melanin protect the skin from? |
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Definition
| The damaging effects of sunlight |
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Term
| skin cancer most likely arises from what type of cells? |
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Definition
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Term
| Pacinian corpuscles are associated with detecting what within the skin? |
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Definition
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Term
| Most sensory fibers, and structures are located in what layer. The epidermis, dermis or hypodermis? |
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Definition
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Term
| What do tactile corpuscles respond to? |
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Definition
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Term
| The subcutaneous layer is also known by what other name? |
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Definition
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Term
| The main factor in preserving body heat is do to the presence of what type of tissue? |
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Definition
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Term
| What is the part of the hair from the surface into the dermis called? |
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Definition
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Term
| The color of hair is due to what type of concentration in the skin? |
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Definition
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Term
| The color of red hair is do to what? |
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Definition
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Term
| Goosebumps are caused by the contraction of what muscle? |
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Definition
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Term
| What is the most active growing region of the nails? |
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Definition
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Term
| Sweat glands are also known as what type of glands? |
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Definition
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Term
| What actually controls and maintains body temperature? |
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Definition
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Term
| What is the most easily regulated loss of heat through the skin? |
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Definition
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Term
| Carotene which is a pigment that can be found in vegetables can produce what reaction to the skin? |
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Definition
| A yellow or orange tint to the skin. |
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Term
| What is the protective dead layer of the epidermis called? |
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Definition
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Term
| What layer of the epidermis do hairs arise from? |
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Definition
| From the stratum basale layer |
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Term
| In the nails the most rapidly dividing cells can be found in what part? |
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Definition
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Term
| The eccrine glands respond to higher body temperature by releasing what? |
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Definition
| Water to the skin surface |
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Term
| What do ceruminous glands secrete into the ear canals? |
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Definition
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Term
| What are the three ways that heat loss occurs from the body? |
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Definition
| Evaporation, convection and radiation |
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Term
| The response that the body would employ to raise body temperature when other methods such as sweat glands, skeletal muscle contraction and constricted blood vessels fails would be what? |
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Definition
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Term
| What are the epidermal ridges or fingerprints caused by? |
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Definition
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Term
| What are nails composed of? |
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Definition
| Keratinized, packed dead, epithelial cells |
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Term
| Skin color is due to the presence or absence of what? |
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Definition
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