Three Types of Cell Junctions
Über den Vortrag
Der Vortrag „Three Types of Cell Junctions“ von Georgina Cornwall, PhD ist Bestandteil des Kurses „Cytoskeleton & Motor Proteins / Adhesion & Extracellular Matrix (Texas A&M FOM II 2020 Exam Unit 2)“.
Quiz zum Vortrag
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.
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Dozent des Vortrages Three Types of Cell Junctions
Georgina Cornwall, PhD
Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.
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Very good lecture! Interesting clinical correlation (celiac disease). Thank you!
Awesome overview! Thank you! Particularly liked the gluten example. Also graphics were good - will stick in my brain longer.
