Shared Flashcard Set

Details

Epithelial Tissue
glands/types/specializations
36
Economics
Graduate
05/19/2007

Additional Economics Flashcards

 


 

Cards

Term
Simple Squamous Tissue
Definition
CVS endothelium
Large cavities- mesothelium
lung alveoli
loop of henle
bowmans capsule
Term
Simple Cuboidal
Definition
Kidney tubules
sweat glands
thyroid glands
Term
Simple Columnar
Definition
GI tract
uterus/uterine tube
collecting ducts of kidney
Term
Stratified squamous
Definition
Body openings
oral cavity
vagina
esophagus

KERATINIZED- skin
Term
Stratified cuboidal
Definition
testicular tubules
large gland ducts
graafian follicles
Term
stratified columnar
Definition
penile urethra
conjuctiva of eye
gland ducts
Term
pseudostratified columnar
Definition
gallbladder
upper resp tract
vas deferens
epididymus
Term
Transitional epithelium
Definition
(uroepithelium)
urinary bladder
ureter
renal pelvis
prox urethra- prostatic urethra
Term
Specialized epithelium
Definition
glandular - all glands (stroma/farenchymal)

pigmented- retina
sensory- corti organ/taste bud/olfactory epithelium
Term
Occluding junctions
Definition
barriers of body
tight junctions
allow select diffusion of molecules
cell-cell communication/smooth cardiac muscles
Term
adherent junctions
Definition
ZONULAR adherence
link cytoskeleton of cells to eachother
link actin filament networks between adjacent cells (alpha actinin/vinculin- cadherin (transmembrane protein to junction)
Term
Desmosomes
Definition
MECULA adherence
connect intermed filaments of adj cells
plaque on both sides
Term
Hemidesmosomes
Definition
1 side plaque- connect cells to extracell matrix
dermal/epiderm junctions
Term
Junctional Complex
Definition
Occluding junction/zonular adherence/mecula adherence

SEEN in intestine epithelial cells
Term
Basement membrane
Definition
Type 4 collagen- crosslinked and rich in glycogen

supported by retic fiber layer
Term
Funciton basement membrane
Definition
epithelial cells sit on- anchor epithelium to connect tissue
maintain shape of cells acini
may form body barriers
Term
Epithelial cell surface Specializations
Definition
Microvilli
basolateral folds
membrane plaques
cilia
Term
Microvilli
Definition
cell membrane project up with actin filaments in core

terminal web- inward projections of cell membrane
Term
basolateral folds
Definition
deep invagination of basilar lateral surface of cells
-fluid/ion transport- cells with abundant mitochondria
striped appearance- striated epithelial cells
RENAL TUBULAR EPITHELIAL CELLS
found in many secretory glands
lateral folds found in small bowel mucosa
Term
Cilia
Definition
Hairlike projections move substances over mucous membrane
-extension of cytoskeleton
line resp tract/fallopian tube
9-2 formation
9 pair tubulins around pair microtubules (axoneme)
nexinin link proteins
dyenin arms cause bending
Term
Immotile cilia syndrome
Definition
right sided heart
failure of sinus development
failure clearing lung mucous
infertility (immobile sperm) (failure of ovum pass fallopian tubes)

chronic sinusitis
chronic bronchitis
Term
glycocalyx
Definition
cell surface molecules
lumen of tubular structure maintained
allow free movement in large cavities
cell recognition
infection cause painful adhesions
Term
Secretory adaptations
Definition
Glands
exocrine
merocrine
apocrine--breast
holocrine--sebaceous
endocrine
Term
types glands
Definition
mucos acinide- light (attach desmosomes)
serus acinide - dark
Term
ducts of glands
Definition
small- simple cuboidal
large- simple columnar
main- stratified colunar/cuboidal epithelium
Term
protein secreting epithelial cells
Definition
good RER
basal RER
supranuclear golgi
apical zone filled with packaged proteins for secretion
Term
mucin secreting cells
Definition
mix of glycoproteins/ proteoglycans
lubricant/barrier
good rer
supranuclear golgi (protein glycosylation)
large apical secretory vescicles
STOMACH
Term
Steroid secreting cells
Definition
good SER
free lipid in vacuoles
prominent mitochondria
Term
Ion pumping cells
Definition
striated duct appearance due to basal folds
SALIVARY GLAND
Term
Goblet cells
Definition
In secretory cells- between columnar
GI TRACT mainly intestines
Term
epithelial tumors
Definition
surface: benigh- papilloma
malignant- carcinoma

gland: benign - adenoma
malignant- adenocarcinoma
Term
hyperplasia
Definition
inc in cell number
Term
hypertrophy
Definition
increas in growth
Term
metaplasia
Definition
change in epithelial cell type from cell to cell
Term
dysplasia
Definition
deformed cell shape
Term
atrophy
Definition
reduction in cell size
Supporting users have an ad free experience!