Download File - Sheffield Peer Teaching Society

2017
Phase 1 Revision Session
Annie Evans and Decy Cotter
30/03/17
The Peer Teaching Society is not liable for false or misleading information…
Organelles
The Peer Teaching Society is not liable for false or misleading information…
Nucleus
Mitochondria
Endoplasmic Reticulum
Golgi Apparatus
Lysosomes
Cytoskeleton
Cell Membrane
Cell Membrane
Cell Membranes
DEFINITION!!
Link cells that are subject to considerable stretching. Example: Squamous cells, like muscle
DEFINITION!!
Limit the passage of molecules through the extracellular space between the cells. Example: in the epithelial cells.
DEFINITION!!
Forms channels between the cytosols between the adjacent cells. Example: in the heart
Endocytosis
Endocytosis
Receptors
Cell Communication
Peptide Hormone
Steroid Hormone
Positive Feedback
Negative Feedback
Water Homeostasis
Definition
Net movement of solvent molecules through a semipermeable membrane to a higher solute concentration.
Definition
Measure of the number of dissolved particles per kg of fluid.
Definition
Measure of the number of dissolved particles per L of fluid.
Definition
Pressure applied to a solution, by a pure solvent, required to prevent inward osmosis. Through a semipermeable membrane.
Definition
Form of osmotic pressure exerted by proteins that tends to pull fluid into its solution
Sodium
Potassium
Calcium
Definition!!
Genetic constitution of an individual
Definition!!
Appearance of an individual. Combination of environmental and genetic factors
Definition!!
One of several alternative forms of a gene at a specific locus Definition!!
Proportion of people with a gene/genotype who show the expected phenotype
Definition
Variation in clinical features (type and severity) of a genetic disorder between individuals with the same gene alteration Definition
Expression of a particular characteristic limited to one of the sexes e.g sex characteristics BRCA. Definition
Disease due to a combination of genetic and environmental factors Joke Time
What’s red, hot swollen and painful? INFLAMMATION!!
Changes During Inflammation
Chemical Mediators of Inflammation
What Happens Next?
Exudate vs Transudate
Things we didn’t cover
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Angiotensin – Renin System
Oedema
Protein structure
Forces and bonds
DNA/RNA
Production of proteins
Mitosis and Meiosis
DEFINTION ANSWERS!
1. Desmosomes
2. Tight junctions
3. Gap junctions
4. Genotype
5. Phenotype
6. Allele
7. Penetrance
8. Variable Expression
9. Sex Limitation
10. Multifactorial conditions
DEFINITION ANSWERS!
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5.
Osmosis
Osmolality
Osmolarity
Osmotic Pressure
Oncotic Pressure