Cytology- Study of cells
11 important questions on Cytology- Study of cells
Polygonal Cell Shape
-may resemble cuboidal or columnar in frontal view, but often polygonal in an end view (like a quartz crystal)
Stellate Cell Shape
-somewhat starlike shape
-cell bodies of many nerve cells are stellate
Spheroidal to Ovoid Cell Shape
-egg cells and white blood cells
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Discoid Cell Shape
-red blood cells
Fusiform Cell Shape
elongated with thick middle and tapered ends
-smooth muscle cells
Fibrous Cell Shape
-skeletal muscle cells and the axons (nerve fibers) of nerve cells
Basal Surface of Cell
-often attached to an extracellular "basement membrane"
Intracellular Face of Plasma Membrane
Extracellular Face of Plasma Membrane
Anatomical Structure of Phospholipid
-head is made up of carbon, hydrogen, nitrogen, oxygen, and phosphorus
-hydrophobic fatty acid tails (2)
-tails are made up of carbon and hydrogen
Cell-Adhesion Molecules (CAMs)
- cells do not normally grow or survive unless are mechanically linked to the extracellular material (except blood cells and metastasizing cancer cells)
-sperm-egg binding and binding of an immune cell to a cancer cell requires CAMs as well
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