BSC 2011L
Cells → Tissues → Organ → Organ systems → Individual
Preparation of tissues for study Fixation – tissue is immersed in preservative Embedding – water is removed with alcohol, tissue is put in paraffin wax Sectioning – tissue is cut extremely thin and is laid out on slide Staining – tissue is stained with dyes that stain different structures
Epithelial tissue Muscular tissue Nervous tissue Connective tissue
Can be simple or stratified Can be squamous, cuboidal, or columnar
Simple Squamous Lining of lungs, blood vessels, urinary Stratified Squamous Protection – lining of esophagus, vagina, mouth, skin
Simple Cuboidal – kidney tubules, glands
Simple Columnar – lines digestive tract
Pseudostratified Ciliated Columnar - trachea
Loose fibrous connective tissue – supports epithelium, organs, muscles, blood cells
Dense Fibrous Connective Tissue – tendons, ligaments
Adipose Tissue – “fat”, insulation
Compact Bone
Hyaline Cartilage – nose, trachea, ends of bones
Blood
Skeletal Muscle
Cardiac Muscle
Smooth Muscle