Chapter 3 Flashcards
(50 cards)
Three Major Cavities
Cranial, thoracic, abdominopelvic
Fluid-filled compartments
circulatory system, eyes, CSF
Hollow Organs
Heart, Lungs, Blood Vessels, Intestines
Lumen
interior of any hollow organ
ECF
plasma, interstitial fluid
Lipids
phospholipids, sphingolipids, cholesterol
Proteins
intergral, peripheral, transmembrane, lipid-anchored
Lipid Rafts
Made up of sphingolipids and lipid-anchored proteins
Glycocalyx
external surface of the cell, protective layer, glycolipids, glycoproteins
Differentiation
Selected genes are active to lead to specialized cells
Inclusions
lack membranes, nutrient storage, glycogen granules, lipid droplets
Microfilaments
actin fibers
Intermediate filaments
Keratin, neurofilaments
Microtubules
tubulin
Centrosome
assembles tubulin monomers into microtubules
Centrioles
direct DNA movement in cell division
Cytoskeleton
cell shape, internal organization, intracellular transport, assembly of cell into tissues, movement
Myosin
muscle contraction
Kinesins/Dyneins
movement of vesicles along microtubules
Dyneins
movement of cilia and flagella
RER
synthesis of proteins
SER
synthesis of fatty acids, steroids, lipids
Golgi
sorts, modifies, and packages proteins into vesicles
Vesicles
storage, secretory vesicles