Anat & Phys 1 Flashcards
1
Q
Describe shapes of Squamous cells…
A
Thin and flat.
2
Q
Describe Cuboidal cell shapes…
A
Cube shaped
3
Q
Describe Columnar cells shapes…
A
Taller than wide
4
Q
Describe Fusiform cell shapes…
A
Think in middle, tapered toward the ends
5
Q
What are most human cell sizes?
A
10-5 micrometers in diameter
6
Q
What size are human egg (ova) cells?
A
100 micrometers in diameter
7
Q
How long can some Nerve Cells reach in length?
A
Over 1 meter long!
8
Q
What is the basic component of the Plasma Membrane?
A
- Surrounds cell and defines boundaries
- Made of proteins and lipids
9
Q
What is the basic component of the Cytoplasm?
A
- Organelles
- Cystoskeleton
- Inclusions (stored or foreign particles)
- Cytosol (Intracellular fluid, ICF)
10
Q
What is the basic component of the Extracellular Fluid (ECF)?
A
- Fluid outside of cells
- Includes tissue (interstitial fluid)
11
Q
What is the function of the Plasma (Cell) Membrane?
A
- Border of the cell
- Internal and external cell environments
- Permeable Lipid Bilayer
- Controls entry and exit of ions, i.e. Na+, K+, Ca+
- Controls the entry of active and passive substances into the cell
12
Q
What do Membraneous Organelles contain?
A
- Nucleus
- Mitochondria
- Lysosomes
- Peroxisomes
- Endoplasmic Reticulum
- Golgi Complex
13
Q
What do No -Membraneous Organelles contain?
A
- Ribosomes
- Centrosomes
- Centrioles
- Basal Bodies
