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- A - simple columnar epithelium (like bricks on end)
- B - simple columnar epithelium with cilia.
- C - stratified squamous epithelium.
- D - simple squamous epithelium (like floor tiles)
- E - transitional epithelium.
- F - pseudostratified epithelium.
- G - cuboidal epithelium (like dice)
- H - choanocytes
- I - stratified columnar epithelium with cilia.
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prepared slide of human skin
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areolar (loose) connective tissue; contains fibroblasts and mast cells sometimes can be seen; located under the skin
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adipose tissue: the slide had a blob with salmon/orange lining of little blobs and was clear inside; CONNECTIVE tissue; located around/under the skin
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ground bone slide; looks like conglomerated oyster shells; connective tissue; osteocytes; located in compact bone
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hyaline cartilage (gristle); exists on the ventral ends of ribs; in the larynx, trachea, and bronchi; and on the articular surface of bones; looks like skin excema; called chondrocytes; located in the nose/trachea
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doesn't really look like this really; butt connective tissue that was little balls of green on a purple background; consists of reythrocytes, basophils, and the funky ones are leukocytes
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ectoderm
skin cells of epidermis, neuron of brain, pigment cells
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mesoderm
cariac/skeletal/smooth muscle, red blood cells, tubules of kidneys
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endoderm
Lung cell (alveolar cell), thyroid cell, Pancreatic cell
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epithelial tissue
covers the outside of the body & lines the organs and cavities within the body; ex: outer layer of skin, inside of mouth/stomach, tissue surrounding organs; cells are closely joined; PRIMARY body tissue in humans
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collagenous fibers
type of connective tissue fiber made of protein that provides strength and flexibility
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elastic fibers
type of connective tissue fiber made of protein that stretches and snaps back to its original length
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reticular fibers
connective tissue fiber made of protein that joins connective tissue to adjacent tissues
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connective tissue
binds and supports other tissues; inner layer of skin, tendons, ligaments, cartilage, bone, adipose tissue, blooooooood
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skeletal muscle
striated muscle; is responsible for voluntary movement; nuclei are on the SIDES of the cells; attached to the bone
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smooth muscle
responsible for involuntary body activities; in organ walls like the intestines
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cardiac muscles
responsible for contraction of the heart; located in the heart
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largest organ of the vertebrate body?
SKIN! protects from dehydration/bacterial infection, helps regulate body temp, receives stimuli from environment
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enzymatic hydrolysis
splits bonds in molecules with the addition of water
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absorption
uptake of nutrients by body cells
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mamalian digestive system consists of:
- alimentary canal: mouth, pharynx, esophagus, stomach, small intestine (duodenum, jejunum, ileum) large intestine (colon + rectum)
- and
- accessory glands:
- pancrease, gall bladder, liver, salivary glands
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