BIOL 1410 Lecture Notes - Lecture 1: Bronchus, Trachea, Histology
16 Nov 2016
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Visible to the unaided eye e. g. bones. Visible to the unaided eye e. g. bones e. g. bone + muscle. Topic i: introduction to anatomy: what is anatomy, levels of organization (simple to complex, chemical level, cellular level. E. g. h2o (water: cytology study of internal structure of individual cells, histology - study of tissues (groups of cells) Cytologist studies internal structure of cells. Cell = basic unit of structure and function of life. All cells contain chemicals but function may differ e. g. red blood cells (rbc), neurons, muscle cells. A group of structurally similar cells with a common function. 4 major tissues: epithelium, tissue level, connective tissue (ct, muscle, nervous e. g. stomach. 2 or more tissues working together for a common function: organ level, organ system level, organism. Note: this is a hierarchy each level contains those below. Several related organs that work together to accomplish a common purpose e. g. respiratory system.
