位于口腔、食管和皮肤等处的上皮是(<br/>) A: stratified<br/>squamous epithelium B: stratified<br/>columnar epithelium C: pseudostratified<br/>ciliated columnar epithelium D: simple<br/>columnar epithelium E: transitional<br/>epithelium

Solidification of Alloys: Solidify over a range of temperature, Mushy zone, Columnar dendrites crystals

How did “columnar joints” come into being? A: The magma condensed into stone columns. B: The pumice stones piles layer by layer. C: The volcanoes look like columnar joints. D: Creatures were gradually fossilized and they slowly turned into a thick limestone layer on the seabed

Which is correct about the villus of small intestine() A: It can swing B: It is composed of simple columnar epithelium C: It is formed by mucosa and submucosa protruding into enteric cavity D: It is related with transportation of water and electrolyte E: It is formed by simple columnar epithelium and lamina propria<br/>protruding into enteric cavity

Where cannot we find the “columnar joints”? A: Fangshan in Nanjing B: Leshan in Chengdu C: Ermei Mountain in Sichuan D: Tengchong in Yunnan

The follicular cells of the thyroid follicles become ( )shaped when they are in an active state.() A: squamous B: cuboidal C: irregular D: columnar E: oval

What type of epithelium forms the epidermis? A: Simple squamous epithelium B: stratified cuboidal epithelium C: stratified columnar epithelium D: Stratified squamous epithelium

What type of tissue lines the esophagus? A: Simple squamous epithelium B: Simple cuboidal epithelium C: Simple columnar epithelium D: Stratified squamous epithelium

What type of tissue lines the upper esophagus? A: Simple squamous epithelium B: Simple cuboidal epithelium C: Simple columnar epithelium D: Stratified squamous epithelium

What is the name of the solid surface in the figure below?[img=360x664]1803bb9e6fc6d99.jpg[/img] A: circular cone surface B: Cone-shaped surface C: Cylindrical surface D: Columnar surface