Surface Modifications
Which surface modification creates a brush border?
Microvilli
What type of filaments do hemidesmosomes connect?
Intermediate
What epithelium has the following functions: barrier & diffusion?
Simple squamous
What type of epithelium is located in sweat gland ducts?
What are the three types of merocrine glands?
Serous, mucous, & mixed
Which surface modification is found in the respiratory tract?
Cilia
What transmembrane protein family are in Desmosomes?
Cadherin
What epithelium has the following functions: absorption, secretion, lubrication, and transport?
Simple columnar
What type of epithelium is located in the urinary system?
Transitional
What type of glands have euchromatic nuclei with lots of RER?
Serous
Which surface modification is made of actin?
Sterocilia
Which junctions prevent diffusion?
Zonula occludens (tight junctions)
What epithelium has the following functions: barrier, secretion, & absorption?
Simple cuboidal
What type of epithelium is located in the trachea & bronchi?
Ciliated pseudostratified columnar
What type of gland is the submandibular salivary gland?
Mixed (seromucous)
Where is stereocilia found?
Epididymis & Ear cochlea
What do focal contact junctions connect?
Cell to matrix
What epithelium has the following functions: protection & movement of mucus?
Ciliated pseudostratified columnar
What type of epithelium is located in large ducts of glands?
Stratified columnar
What type of glands have heterochromatic nuclei and little RER?
Mucous
What is the name of the 9+2 microtubule structure in cilia?
Axoneme
Where are communicating (gap) junctions commonly found?
Epithelia, cardiac & smooth muscle, embryonic tissues
What epithelium has the following function: absorption?
Non-ciliated pseudostratified columnar
What type of epithelium is located in the vascular system & body linings?
Simple squamous
What is the mechanism of secretion for holocrine glands?
Cell destruction (apoptosis)