Chapter 6 - Integumentary System - Part 1 Flashcards
Two or more types of tissues grouped together and performing specialized functions is known as a…
Organ
The largest organ in the body is the…
Skin
The skin and its various accessory structures make up the…
Integumentary system
Play a role in initiating immune response by phagocytizing harmful microorganisms…
Epidermal dendritic cells (Langerhans cells)
The skin includes two distinct layers…
Epithelial tissue overlying connective tissue
Outer layer of skin, composed of stratified squamous epithelium…
Epidermis
Inner layer of skin, thick and made up of connective tissue…
Dermis
Basement membrane is anchored to the…
Dermis
Basement membrane separates the…
Dermis and epidermis
Beneath the dermis, where adipose and areolar tissue bind skin to underlying organs…
Subcutaneous layer
ost fibers of the subcutaneous layer run ____ to the surface of the skin.
Parallel
Insulates, helping to conserve body heat from the outside…
Adipose tissue of the subcutaneous layer
Contains the major blood vessels that supply the skin…
subcutaneous layer
Composed entirely of stratified squamous epithelium and therefore lacks blood vessels…
Epidermis
deepest layer of the epidermis, can grow and divide/receive nutrients from nearby blood vessels in dermis…
Stratum basale
Cell membranes of older skin cells…
Keratinocytes
Thicken and develop many desmosomes that fasten them to each other…
Keratinocytes
Keratinocytes begin to harden in a process called…
Keratinization
Outermost layer of the epidermis
Stratum corneum
Layer of epidermis that is in the thickened skin of the palms and soles…
Stratum lucidum
The stratum lucidum may be missing where the epidermis is…
Thin
Epidermis protective functions…
Shields the moist underlying tissues against excess water loss, mechanical injury, and the effects of harmful chemicals; keeps disease-causing microorganisms out
Melanocytes produce…
Melanin
Melanin provides…
Skin color
Melanin absorbs…
Ultraviolet radiation in sunlight
Melanocytes lie in the…
Stratum basale
Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called…
Cytocrine secretion
When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called…
Cyanosis
Blood in the dermal vessels adds…
Color to the skin
Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries…
Dermal papillae
The dermis has two layers, upper and lower, called…
Papillary layer (upper), reticular layer (lower)
Papillary layer of the dermis is composed of
Areolar connective tissue
Reticular layer of the dermis is composed of…
Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)
Muscle fibers are contained in the…
Dermis
Nerve cell processes are scattered throughout the…
Dermis
Motor processes carry impulses to…
Dermal muscles and glands
Sensory processes carry impulses away from-…
Specialized sensory receptors
Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to…
Heavy pressure
This type of sensory receptor in the deeper dermis, senses light touch and texture…
Tactile corpuscles
Other receptors called free nerve endings respond to…
Temperature changes, or to factors that can damage tissues and extend into the epidermis
Accessory structures of the dermis include…
Blood vessels, hair follicles, sebaceous glands, and sweat glands
Reverse
Organ
Two or more types of tissues grouped together and performing specialized functions is known as a…
Reverse
Skin
The largest organ in the body is the…
Reverse
Integumentary system
The skin and its various accessory structures make up the…
Reverse
Epidermal dendritic cells (Langerhans cells)
Play a role in initiating immune response by phagocytizing harmful microorganisms…
Reverse
Epithelial tissue overlying connective tissue
The skin includes two distinct layers…
Reverse
Epidermis
Outer layer of skin, composed of stratified squamous epithelium…
Reverse
Dermis
Inner layer of skin, thick and made up of connective tissue…
Reverse
Dermis
Basement membrane is anchored to the…
Reverse
Dermis and epidermis
Basement membrane separates the…
Reverse
Subcutaneous layer
Beneath the dermis, where adipose and areolar tissue bind skin to underlying organs…
Reverse
Parallel
ost fibers of the subcutaneous layer run ____ to the surface of the skin.
Reverse
Adipose tissue of the subcutaneous layer
Insulates, helping to conserve body heat from the outside…
Reverse
subcutaneous layer
Contains the major blood vessels that supply the skin…
Reverse
Epidermis
Composed entirely of stratified squamous epithelium and therefore lacks blood vessels…
Reverse
Stratum basale
deepest layer of the epidermis, can grow and divide/receive nutrients from nearby blood vessels in dermis…
Reverse
Keratinocytes
Cell membranes of older skin cells…
Reverse
Keratinocytes
Thicken and develop many desmosomes that fasten them to each other…
Reverse
Keratinization
Keratinocytes begin to harden in a process called…
Reverse
Stratum corneum
Outermost layer of the epidermis
Reverse
Stratum lucidum
Layer of epidermis that is in the thickened skin of the palms and soles…
Reverse
Thin
The stratum lucidum may be missing where the epidermis is…
Reverse
Shields the moist underlying tissues against excess water loss, mechanical injury, and the effects of harmful chemicals; keeps disease-causing microorganisms out
Epidermis protective functions…
Reverse
Melanin
Melanocytes produce…
Reverse
Skin color
Melanin provides…
Reverse
Ultraviolet radiation in sunlight
Melanin absorbs…
Reverse
Stratum basale
Melanocytes lie in the…
Reverse
Cytocrine secretion
Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called…
Reverse
Cyanosis
When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called…
Reverse
Color to the skin
Blood in the dermal vessels adds…
Reverse
Dermal papillae
Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries…
Reverse
Papillary layer (upper), reticular layer (lower)
The dermis has two layers, upper and lower, called…
Reverse
Areolar connective tissue
Papillary layer of the dermis is composed of
Reverse
Dense irregular connective tissue (that includes collagenous fibers and elastic fibers in a gel-like ground substance)
Reticular layer of the dermis is composed of…
Reverse
Dermis
Muscle fibers are contained in the…
Reverse
Dermis
Nerve cell processes are scattered throughout the…
Reverse
Dermal muscles and glands
Motor processes carry impulses to…
Reverse
Specialized sensory receptors
Sensory processes carry impulses away from-…
Reverse
Heavy pressure
Lamellated corpuscles, a type of sensory receptor in the deeper dermis, responds to…
Reverse
Tactile corpuscles
This type of sensory receptor in the deeper dermis, senses light touch and texture…
Reverse
Temperature changes, or to factors that can damage tissues and extend into the epidermis
Other receptors called free nerve endings respond to…
Reverse
Blood vessels, hair follicles, sebaceous glands, and sweat glands
Accessory structures of the dermis include…
