A & P Chap. 4 Tissues
Which of the following accurately describe the basement membrane which underlies epithelial tissues?
Epithelial cancers may have the ability to penetrate through the basement membrane and spread to underlying tissues
Intercalated discs and striations are both characteristics of skeletal muscle. True False
False
Tendons and ligaments are composed mainly of dense irregular connective tissue. True False
False
The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present True False
False
stratified epithelium
Multiple layers of cells.
cardiac muscle
Muscle of the heart
What is mesothelium?
The epithelium of serous membranes in the ventral body cavity
What is the cutaneous membrane?
The skin, a dry membrane with a keratinizing epithelium (the epidermis).
Simple cuboidal epithelia are usually found in areas where secretion and absorption occur. True false
True
simple squamous epithelium
allows passage of materials by diffusion and filtration
proper dense elastic
allows tissue to recoil after stretching
Haversian canal
any of the minute tubes that form a network in bone and contain blood vessels.
Epitherlial tissue can either be classified by ______ or ________
arrangement of the cells or typical cell shape
What is the basal surface of epithelia?
attached to the underlying connective tissue
proper dense regular connective tissue
attaches muscle to bones
transitional epithelium is found in...
bladder
Which of the following is NOT found in cartilage but is found in bone?
blood vessels
osteocyte
bone cell
Which tissues have little to no functional regenerative capacity?
cardiac muscle and nervous tissue
What is endothelium?
cell lining of blood vessels
chondroblasts in cartilage become...
chondrocytes
blood tissue
circulates throughout the body
The fiber type that gives connective tissue great tensile strength is ________.
collagen
What is the name of the shape of cells with longer height and shorter width?
columnar epithelium
You observe a uniform tissue under a microscope. There is no lumen. The material looks densely packed, but you do not observe many nuclei. It appears that there are strands of fibers running in parallel directions. What type of tissue are you looking at?
connective tissue
What are the types of connective tissue?
connective tissue proper, cartilage, bone, blood
Which of the following is NOT a characteristic of nervous tissue? provides support and insulation creates linings highly branched cells capable of transmitting electricity
creates linings
What is the name for similar height and width cells?
cuboidal epithelium
Which of the following is a modification of the simple columnar epithelium that allows for efficient absorption along portions of the digestive tract? fibroblasts thin and permeable cilia dense microvilli
dense microvilli
simple columnar is found in...
digestive tract
Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________.
endocrine
What are the types of tissues?
epithelial, connective, muscle, nervous
What tissue type has polarity and is avascular?
epithelium
loose adipose connective tissue
fat
proper loose reticular connective tissue
fibers form soft internal skeleton to support other cell types
Fibroblasts in connective tissue become...
fibroctyes
smooth muscle
found in internal organs
What are holocrine glands?
glands that release entire cells
What is the study of tissues?
histology
The first step in tissue repair involves ________.
inflammation
cardiac and smooth are referred to as ________ _______ due to our unconscious control of them
involuntary muscle
Which of the following is an example of pseudostratified epithelium?
lining of the trachea
Based on its function, where would you likely find simple squamous epithelium?
lung air sacs and capillary walls
Cartilage elastic
maintains the shape of a structure while allowing great flexibility
bone tissue
mineralized and forms the skeleton
skeletal muscle cells are called....
muscle fibers
What does avascular mean?
no blood vessels
What is the apical surface of epithelia?
not attached to surrounding tissue and exposed to the outside of the body/cavity
The primary blast cell for bone is the ________.
osteoblast
osteoblasts in bone become...
osteocytes
What is the matrix?
plasma, anything not cellular
What does stratified squamous epithelium do?
protects underlying tissues in areas subjected to abrasion
proper dense irregular
provides structural strength
Loose connective tissue, areolar
provides support, holds fluids, defends against infection. stores fat, wraps and cushions organs
What is it called when it looks like there are multiple layers of epithelium but is actually not?
psuedostratified epithelium
simple cuboidal epithelium is used for...
secretion and absorption
What is one epithelial layer called?
simple epithelium
What kind of tissue is this?
simple epithelium
Under a microscope you observe a tissue that appears to have long fibers that appear striated. The nuclei are pushed off to the side of the fibers. The tissue looks very vascular. What type of tissue are you observing?
skeletal muscle tissue
What are the types of muscle tissue?
skeletal, cardiac, smooth
What is it called when cells are flattened, and scale-like?
squamous epithelium
What is multiple layers of epithelium called?
stratified epithelium
What function do transitional epithelia have?
stretching
skeletal muscle
striated, voluntary, multinucleated
osteon
structural unit of compact bone
cartilage hyaline
supports and reinforces
Epithelial tissue is typically localized to the following region(s) of the body...
surfaces of organs, walls of cavities, outer surface of the body, and in glands of the body
cartilage fibrocartilage
tensile strength with ability to absorb compressive shock
What are mucous membranes?
the membranes that line body cavities that open to the outside of the body
Which types of cell junctions are needed in a mucosal membrane, such as the digestive tract?
tight junctions
What is the function of ciliated epithelium?
to move fluids across the tissue surface
What is the location of transitional epithelia?
urinary system
skeletal muscle is often referred to as _______ ______ due to its conscious control of contraction
voluntary muscle
