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Anatomy Ch. 4

The Integumentary System

QuestionAnswer
the ____________________system is the largest human organ system integumentary
the ____________ distinct layers of skin carry out most of the functions of the integumentary system three
the skin's ability to lose or retain body ___________ plays a major role in regulating body temperature. heat
_____________are the most likely type of damage that significantly impair skin function burns
the integumentary system is composed of the following: _________________, connective tissue structures, ________________, ________________, nails, _______________ blood vessels, glands, hair, skin
the integumentary system is formed by _______________ and ___________________ ectoderm and mesoderm
skin is composed of three distinct layers: _________________, ___________________, ______________________ epidermis, dermis, subcutaneous layer or hypodermis
the ____________________is composed of stratified squamous epithelium and is divided into five or six discernable layers epidermis
the upper layers of the skin fill with ________________ and die keratin
the ________________is primarily dense irregular connective tissue dermis
three types of fibers are found in the dermis: _____________________, ___________________, ___________________ collagen, elastin, reticulin
the dermis contains ______________ and ________________ nerves and blood vessels
the subcutaneous layer contains _______________ tissue adipose
the skin contains several types of ___________ glands
________________provide the skin with sensation nerves
________________are sheets of dried, flattened, keratinized cells. nails
____________________is composed of cylinders of kerinized cells hair
skin provides four functions for the body: ______________________, ____________________, ___________________, ______________________ protection, heat regulation, sensation, waste excretion
diseases of the integumntary system come in three catagories: ____________________, _________________, ____________________ degenerative, genetic, infectious
some of skin aging is due to _________________ factors intrinsic
some of skin aging is due to _________________or _______________________ factros extrinsic or evironmental
___________________may accelerate skin aging lifestyle
_________________factors secreted by the embroyonic skin induce the growth of blood vessels into the skin during development angiogenic
a ___________________is the pigment cell of the skin and secretes melanin in response to sun exposure melanocyte
the three barriers of skin are _______________, __________________ and __________________ chemical, mechanical, microbial
_______________organisms on the skin protect the skin from underlying structures from pathogenic bacteria commensal
______________skin aging is due to the natural decline of cells intrinsic
______________aging is due to environmental factors such as sunlight extrinsic
the outermost layer of the skin forms from the embryological germ layer ______________and develops into ___________ epithelial tissue ectoderm, stratified squamous
the innermost layer of the epidermis is known as the ______________________ stratum germinativum
the skins ability to detect environmental stimuli is due to its many specialized nerve cells, which are called ___________________ sensory receptors
_______________is a condition of hypopigmentation vitiligo
Created by: Lauren G.