Chapter 6 Flashcards
groups of cells that are similar in structure and function
tissues
there are ___ primary types of tissue
four
the 4 primary types of tissue are
epithelium, connective, nervous, and muscle
is a sheet of cells that covers a body surface or lines a body cavity
epithelial tissue
refers to membranes having a top and bottom
polarity
free surface of a membrane
apical surface
bottom surface of the membrane
basal surface
cells fit closely together to form membranes or sheets of cells and are bound by specialized junctions
specialized contacts
epithelial tissue is supported by
connective tissue
is an acellular material secreted partly by the epithelial cells and connective tissue cells that lie next to each other
basement membrane
epithelial tissues are supplied by ____ but not ____
nerves, blood
epithelial tissue depends on _____ of nutrients from the connective tissue
diffusion
if well nourished, epithelial tissue cells can easily divide to ______ the tissue
regenerate
consists of one layer of cells
simple
consists of two or more laters of cells
stratified
scalelike
squamous
cubelike
cuboidal
column-shaped
columnar
one layer of columnar cells in varying heights with nuclei at different levels
psuedostratified epithelium
stratified squamous epithelium formed of rounded cells with the ability to slide over one another
transitional epithelium
lose their duct as they develop; secrete hormones into the extracellular fluid
endocrine glands
retain their ducts; secretions empty through these ducts on the body surface or into body cavities
exocrine glands
is found in all parts of the body and is the most abundant and widely distributed type of tissue
connective tissue
primary function of connective tissue is to
protect, support, insulate, and bind together
is a soft packaging material that cushions and protects the body
areolar connective tissue
fat tissue that provides insulation for the body tissues and a source of stored energy
adipose tissue
characteristic of connective tissue that says all connective tissue are derived from embryonic tissue
common origin
characteristic of connective tissue that says many types of connective tissue have a rich blood supply with the exceptions of cartilage and dense connective tissue
degrees of vascularity
characteristic of connective tissue that says there is a great deal of noncellular nonliving material between the cells of connective tissue
extracellular matrix
extracellular matrix is composed of ____ ______ and ____
ground substance, fibers
is composed of interstitial fluid, cell adhesion proteins, and proteoglycans
ground substance
the cavities of the matrix are called the
lucunae
fibers that provide support include:
collagen fibers, elastic fibers, reticular fibers
the connective tissues have a common structural plan seen best in ____ ______ ____
areolar connective tissue
is made up of neuroglia and neurons
nervous tissue
are special supporting cells that protect, support, and insulate the more delicate neurons
neuroglia
highly specialized to receive stimuli and to generate electrical signals that may be sent to part of the body
neurons
type of tissue that is highly specialized to contract and product most types of body movement
muscle tissue
the flesh of the body, is attached to the skeleton and is under voluntary control; have striations
skeletal muscle
type of muscle tissue only found in the heart; has striations and intercalated discs; involuntary
cardiac muscle
is found mainly in the walls of hollow organs; no striations; involuntary control
smooth muscle
