Tissues Lab 1 Flashcards
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Simple cuboidal epithelium
Secretion and absorption
Ovary surface
Look: circle cells, circle nuclei, circles inside of circles (square cells)
Simple squamous epithelium
Secretes lubricating substances in serosae
Air sacs of lungs
Look: big cells, thin, light, fried egg
Simple columnar epithelium
Secretion of mucus, enzymes, and other substances
Lines digestive tract, gallbladder, and excretory ducts of some glands
Look: nuclei on one side of rectangle cell
Stratified squamous epithelium
Protects underlying tissues in areas subject to abrasion
Epidermis of the skin
Look: just like the photo
Areolar connective tissue
Wraps and cushions organs
Surrounds capillaries
Look: lines everywhere
Elastic fibers (dark thin lines), collagen fibers (thick light red lines), fibroblasts (nuclei)
Adipose tissue
Supports and protects organs
Around kidneys and eyeballs
Look: big bubbles, faintly died
Reticular connective tissue
Form a soft internal skeleton (stroma) that supports other cell types, including white blood cells, mast cells, and macrophages
Lymph nodes, bone marrow, spleen
Look: dark purple, big dark lines
Mast cells (looks like the real cells), reticular fibers (dark thick fibers)
Dense regular connective tissue
Attaches muscles to bones or bones to bones
Tendons, ligaments
Look: light pink parallel lines, fibroblasts look like dark hyphens
Hyaline cartilage
Supports and reinforces
Cartilage of the nose, trachea, and larynx
Look: cells floating alone, lighter slide, eyeballs in grape jelly
Chondrocyte in lacunae (eye ball is lacunae, center is chondrocyte)
Elastic cartilage
Maintains the shape of a structure while allowing great flexibility
Outer ear
Look: hairy eyeballs in grape jelly (hair looks like scribbles)
Elastic fibers (the scribbles or hair), chondrocyte in lacuna (white part of the eyeball)
Bone
Supports and protects
Bones
Look: brown, tree rings
Central/haversian canal (large central black or white circle), lamellae (rings around the canal), canaliculi (faint squiggly lines that connect one ring to another), osteocytes in lacunae (small black dots on rings)
Blood
Transport of respitory gases, nutrients, waste, and other substances
In the blood vessels
Look: red cells
Erythrocyte/rbc (pale pink dots), leukocyte/wbc (purple cells)
Striated skeletal muscle
Voluntary movement
Skeletal muscles attached to bones or skin
Look: striations length wise, no discs
Nucleus (dark dots), striations
Striated cardiac muscle
As it contracts it propels blood into the circulation
Walls of the heart
Look: dark blue/black
Nucleus (dots), striations, intercalated discs (measure bars)
Smooth muscle
Propels substances along internal passageways
Walls of hollow organs
Look: kiwi
Nucleus (dark dot in center)
