KAAP220 Lecture Notes - Lecture 6: Hydrophile, Nucleoplasm, Fluid Compartments
14 Sep 2018
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Document Summary
Cells surrounded by watery medium called extracellular fluid. Called interstitial fluid (interstitium, something standing between) in most tissues. Fluid inside cell is intracellular fluid or cytosol. Cell plasma membrane separates cell contents (cytoplasm) from extracellular fluid. Terminology may differ from tissue to tissue. Material of varying consistency found between cell membrane and nuclear membrane. Cytosol (icf) - fluid part of cytoplasm. Organelles (little organs) - intracellular structures with specific functions. Function is to degrade organic compounds and damaged cells/organelles. Like phagosomes and endosomes to digest their contents. Digestive processes are kept separate from other processes. Lysosomes enzymes are inactive until fusion occurs. Contains a fluid (nucleoplasm) that contains enzymes, dna, proteins and nucleotides. Makes transcripts that can leave the nucleus. Receives blood from gi tract with absorbed nutrients. Are either free in cytosol or bound to er (rough er) For exocytosis or use in lysosomes -> bound.
