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9 Cards in this Set

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What are the three embyronic germ layers?
Endoderm (inner layer), mesoderm (middle layer), and ectoder (outer layer).
What does each germ layer form?
Endoderm- digestive tract and respiratory tract.
Mesoderm- muscles, bone, and blood vessels.
Ectoderm- Forms skin and nueroectoderm.
What are the 4 types of specialized contacts will you find within epithelial tissue?
desmosomes and hemidesomosomes (bind cells to the basement membrane), tight junctions (hold cells together and form a permeability barrier), glands and gap junction (allow ions and small molecules to pass betwee cells).
What is known as the "acellular glue" and guides cell migration during tissue repair?
The basement membrane
What are five functions of epithelia?
Protect underlying structures, act as barriers, permit the passage of substance, secrete substances, and absorb substances.
What is the epithelium called where tissue appears stratified but all the cells make contact with the basement membrane?
psuedostratified
Where can simple columnar epithelium be found?
mouth, throat, larynx esophagus, anus, vagina, etc.
Which type of gland has no ducts and produces horomones?
endocrine
Which type of cell is able to differentiate into adult cell types?
Undifferentiated mesenchyme aka stem cells