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Simple Squamous Epithelium (Label 1 cell, cell membrane, nucleus) 1 cell Simple Cuboidal Epithelium (Label 1 cell, cell membrane, nucleus) nucleus cell membrane cell membrane microvilli one cell Simple Columnar Epithelium (Label 1 cell, cell membrane, nucleus, microvilli) one cell nucleus cell membrane Stratefied Squamous Epithelium (Label 1 cell, cell membrane, nucleus, underlying dermis) *Make sure you are on the right part of the slide! The stratified squamous is the multiple layers at the top! (It’s the top layers of skin!) dermis cilia cell membrane one cell Different tissue, not epithelium Pseudostratified Columnar Epithelium (Label 1 cell, cell membrane, nucleus, cilia) nucleus nucleus (dot) lipid (white) one cell Adipose Tissue (Label 1 cell, cell membrane, nucleus, lipid (fat)) cells (dot- can see nucleus in some) Areolar Tissue (Label 1 cell, matrix (nonliving parts)) matrix (fibers) cells (purple ovals) Dense Connective Tissue (Label 1 cell, matrix (nonliving parts)) matrix (pink, nonliving material) matrix (light purple, nonliving material, most of slide) cell s Hyaline Cartilage (Label 1 cell, nucleus, matrix (nonliving parts)) matrix (pink, nonliving material, most of slide) cells (purple ovals) Elastic Tissue (Label 1 cell, fibers (matrix)) cells (black ovals) matrix (whitish rings) Compact Bone (ground) (Label 1 cell, matrix) **The “bulls-eye” is not one cell. It is a group of cells, with a canal in the middle. cells (in small cavity) matrix (pink, most of slide) Spongy Bone (ground) (Label 1 cell, matrix) bone marrow, not bone! *Be careful! Make sure you focus on some of the pink spongy bone, NOT only on the bone marrow- see diagram. White blood cells (dyed purples, only a few!) Blood (liquid tissue) (Label red blood cells, white blood cells, platelets) red blood cells platelet (very small dot) one cell Striations (lines) nucleus Skeletal muscle (Label one cell, nucleus and striations) **Striations are hard to see- they do NOT go the same direction as the cell- they go perpendicular (90 degrees) like markings on a ruler. ***Notice they have more than one nucleus per cell! nucleus one cell Smooth muscle (Label one cell, nucleus) **There are no striations on smooth muscle cells. If you get a slide that says “teased,” they were pulled out so you can see individual cells. Intercalated disc one cell nucleus Cardiac muscle (Label one cell, nucleus, striations, intercalated disc) **Striations are hard to see- they do NOT go the same direction as the cell- they go perpendicular (90 degrees) like markings on a ruler. ***The intercalated discs allow communication between cells. One cell is from one disc to another- they define the lateral borders. axons glial cells one cell Neuron (Label one cell, nucleus, cell membrane, axon, glial cells) **Glial cells are cells that help and support the neurons. white blood cells Leukemia (disease) (Label red blood cells and white blood cells) red blood cells The salmon/pink colored cells are red blood cells. They may be in clumps on our slide. The purple cells are dyed white blood cells. There are MANY more white blood cells than normal (in a normal slide, you only see 2 or 3) Leukemia is cancer of the white blood cells.