Three Types of Cell Junctions
About the Lecture
The lecture Three Types of Cell Junctions by Georgina Cornwall, PhD is from the course Cellular Structure.
Included Quiz Questions
Which type of cell connections generally prevent materials from passing between cells?
- Tight junctions
- Desmosomes
- Hemidesmosomes
- Gap junctions
- Aquaporins
Which of the following is an INCORRECT statement regarding cell connections?
- Gluten intolerance is an example of a bacterial disease caused by dysfunctional desmosomal and communicating junctions.
- Desmosomes are strong intercellular adhesive junctions between two neighboring cells giving mechanical strength to tissues.
- A breach in the integrity of tight junctions in the gastrointestinal tract by proteins can cause increased intestinal permeability.
- Hemidesmosomes are small, rivet-like structures that link the keratinocytes of the epidermis to the basement membrane.
- Cardiac gap junctions are essential for impulse conduction as they mediate the intercellular movement of electrolytes and small metabolites.
These courses may be of interest to you
Author of lecture Three Types of Cell Junctions
Georgina Cornwall, PhD
Customer reviews
5,0 of 5 stars
| 5 Stars |
|
2 |
| 4 Stars |
|
0 |
| 3 Stars |
|
0 |
| 2 Stars |
|
0 |
| 1 Star |
|
0 |
Very good!
By Stephanie W. on 17. July 2021 for Three Types of Cell Junctions
Very good lecture! Interesting clinical correlation (celiac disease). Thank you!
Gap Junction/Tight Junctions/Desmosomes/Hemidesmosomes
By Shashank R. on 20. December 2020 for Three Types of Cell Junctions
Awesome overview! Thank you! Particularly liked the gluten example. Also graphics were good - will stick in my brain longer.
