Exam (elaborations)
BIOS 1300 EXAM 2 WITH CORRECT ANSWERS!!
- Course
- BIOS 1300
- Institution
- Ohio University
BIOS 1300 EXAM 2 WITH CORRECT ANSWERS!!
[Show more]
Content preview
Q&ABIOS 1300 EXAM 2 WITH CORRECT
ANSWERS!!
histology ✔✔ study of tissues and how they are arranged in organs
cell junctions ✔✔ connections between two cells
tight junctions ✔✔ good for tissues that act as barriers
desmosome ✔✔ very strong and help tissues resist stretching
gap junction ✔✔ fairly weak, but great for allowing cells to communicate
quickly
tight junctions ✔✔ linkage between two adjacent cells by transmembrane
cell-adhesion proteins and makes it difficult for substances to pass
example of a tight junction ✔✔ blood-brain barrier
hemidesmosomes ✔✔ half desmosomes that anchor basal cells of an
epithelium to underlying basement membrane
, Q&A
pemphigus vulgaris ✔✔ Destruction of desmosomes by own antibodies
(autoimmune disorder)
gap junctions are formed by ✔✔ connexons
where are gap junctions located ✔✔ located in cardiac and smooth
muscle, embryonic tissue
3 steps in gap junction pathology ✔✔ defects in protein
trafficking/assembly, mutations in gap junction molecules,
improper/unregulated exchange of cellular contents
glands ✔✔ cell or organ that secrets substances for use elsewhere in the
body or releases them for elimination from the body
secretion ✔✔ product useful to the body
excretion ✔✔ waste product
exocrine glands ✔✔ maintain their contact with surface of epithelium by
way of a duct
external exocrine glands ✔✔ sweat and tear glands
internal exocrine glands ✔✔ pancreas and salivary glands
, Q&A
endocrine glands ✔✔ have no ducts; secret hormones directly into blood
hormones ✔✔ chemical messengers that stimulate cells elsewhere in the
body
examples of endocrine glands ✔✔ thyroid, adrenal, pituitary glands
organs that have both endocrine and exocrine functions ✔✔ liver,
pancreas
unicellular glands ✔✔ found in an epithelium that is predominantly non
secretory
capsule ✔✔ connective tissue covering of exocrine gland
septa or trabeculae ✔✔ extensions of capsule that divide interior of gland
into compartments (lobes and lobules
stroma ✔✔ connective tissue framework that supports and organizes
glandular tissue
parenchyma ✔✔ cells that preform the tasks of synthesis and secretion
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
65507 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 15 years now