tissues Flashcards
What is the function of Epithelial tissue
to cover/line things
to form glands
What is the function of connective tissue
protect
connect
structure/support
Epithelial tissues have (high/low) cellularity
high
What is the membrane called that epithelial tissue sits upon
basement membrane (basal surface)
What is the open side of epithelial tissue called
apical surface
What are the two qualities of epithelial tissue (in order)
number of cellular layers
shape of cells
What is the anatomy of simple squamous epithelium
1 layer of squamous cells
What is the function of simple squamous epithelium
rapid diffusion
What locations are simple squamous epithelium found
lungs (alveoli)
blood vessels
What is the anatomy of simple cuboidal epithelium
1 layer of cuboidal cells
What are the functions of simple cuboidal epithelium
absorption
secretion
Where is simple cuboidal epithelium found
kidney tubules
glands
What is the anatomy of simple columnar epithelium
1 layer of columnar cells + any modifications
What are the three possible modifications for simple columnar epithelium
microvilli
cilia
goblet cells
What is the function of microvilli
absorption
What is the function of cilia
movement
What is the function of goblet cells
produce mucus
What is the function of simple columnar epithelium
absorption/movement/produce mucus
(depends on modifier)
Where is simple columnar epithelium found
digestive system (microvilli)
respiratory system (cilia, goblet cells)
What is the anatomy of pseudostratified columnar epithelium
1 layer of columnar cells, but looks like 2+ layers
+ any modifications
What modifications are found in pseudostratified columnar epithelium
goblet cells
cilia
What are the possible functions of pseudostratified columnar epithelium
secrete mucus/movement
(depends on modifier)
Where is pseudostratified columnar epithelium found
respiratory system
What is the anatomy of keratinized stratified squamous epithelium
2+ layers of squamous cells
top layer filled with keratin
What is keratin
tough protective protein that kills cells and leaves them with no nucleus
What is the function of keratinized stratified squamous epithelium
protection of dry areas
Where is keratinized stratified squamous epithelium found
epidermis
What is the anatomy of nonkeratinized stratified squamous epithelium
2+ layers of squamous cells
top layer without keratin
What is the function of nonkeratinized stratified squamous epithelium
protection of moist areas
Where is nonkeratinized stratified squamous epithelium found
oral cavity, anal canal, vagina
What is the anatomy for stratified cuboidal epithelium
2+ layers of cuboidal cells
What is the function of stratified cuboidal epithelium
secretion, protection
Where is stratified cuboidal epithelium found
glands
What is the anatomy for stratified columnar epithelium
2+ layers of columnar cells
What is the function for stratified columnar epithelium
protection
Where is stratified columnar epithelium found
reproductive system
What is the anatomy for transitional epithelium
2+ layers of polyhedral cells
BINUCLEATED
What is the function of transitional epithelium
stretching and relaxing
Where is transitional epithelium found
urinary bladder
What are the 3 main categories for connective tissue
CT Proper
Supporting CT
Liquid CT
What are the two types of CT Proper
Loose CT
Dense CT
What are the two types of Supporting CT
cartilage
bone
What are the two types of Liquid CT
blood
lymph
(Loose CT/Dense CT) is more cellular and
(Loose CT/Dense CT) is less cellular
Dense CT
Loose CT
(Loose CT/Dense CT) has more ground substance and (Loose CT/Dense CT) has less ground substance
Loose CT
Dense CT
What kinds of cells are found in Areolar CT
fibroblasts (make protein fibers)
What kind of protein fibers are found in Areolar CT
collagen
elastic fibers
What is the consistency of the ground substanceof areolar ct
drier
What is the function of Areolar CT
binder
Where is Areolar CT found
skin (dermis)
What cells are found in adipose tissue
adipocytes (fat cells)
What protein fibers are found in adipose tissue
low amount (not visible)
What is the consistency of the ground substance in adipose tissue
jelly
What is the function of adipose tissue
protection, storage, insulation
Where is adipose tissue found
subcutaneous tissues
What cells are found in reticular tissue
white blood cells
What kind of protein fibers are found in reticular tissue
reticular fibers
What is the consistency of the ground substance in reticular tissue
more fluid
What is the function of reticular tissue
framework
Where is reticular tissue found
spleen, lymph nodes
What cells are found in dense regular CT
fibroblasts
What kind of protein fibers are found in dense regular CT
collagen IN ONE DIRECTION
What is the function of dense regular CT
strength IN ONE DIRECTION
Where is dense regular CT found
tendons + ligaments
What cells are found in dense IRREGULAR CT
fibroblasts
What protein fibers are found in dense IRREGULAR CT
collagen IN MULTIPLE DIRECTIONS