WEEK 1: Cells Flashcards
Plasma Membrane
increasing cell surface area
seperate in intracellular area from the extracellular area
composed of a phospholipid bilayer with protein, cholestrol
permable to water and other non polar molecules
not permeable to ions, and large molecules
function:
physical barrier between inside and outside
selectable permeable
transport substances into and out of the cells
communication between cellsi
Cytosol
a.k.a. intracellular fluid
mainly water (jelly like fluid)
from the plasma membrane all the way to the nucleus
suspenses cellular chemicals and organelles
maintaining the action potential of excitable cells
Smooth Endoplasmic Reticulum
network of channels and sacs continuous with nucleus
- Synthesis fatty acids and steriods
- inactivates drugs and harmful substances
Rough Endoplasmic Reticulum
network of channels and sacs continuous with nucleus
Protein Synthesis
Ribosomes
Site of protein synthesis
Free ribosomes - protein for use within the cell
ER ribosomes - protein for export out of the cell
Golgi Apparatus
modifies sorts, packages and transports protein received from Rough ER
Lysosomes
Digest substances that enter the cell (viruses and bacteria)
Digest worn out organelles (autophagy)
contain powerful digestive enzymes)
Nucleus
Control Centre of the cell
houses the cells’ DNA
where ribosomes are made
Mitochondria
Generates ATP
powerhouse of the cell
What is Anatomy?
Study of structure of the body
What is physiology?
Study of the function of how those structures work.
What is the sagittal Plane?
Divided the body into left and right
What is the coronal Plane?
divides the body into front and back
What is the transverse plane?
Divides the body into upper and lower
Anterior
Posterior
Pertaining to the front of the body
Pertaining to the back of the body
