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covers organs,forms linings of body cavitys and lines hollow organs,has a free surface one that is exposed to the outside
the under side of epithelial tissue is anchored to connective tissue by a thin, nonliving layer called?
what lines the air sacs ( alveoli ) of the lungs where oxygen/ carbon dioxide are exchaged
simple squamous epithlium
what protects underlying tissues, secretes digestive fluids and absorbs nutrients from digestive food
simple columnar epithlium
what appears layerd due to the varying position of their nuclei within the row of cells, they are not truly layerd
pseudostratified columnar epithelium
what forms the outer layer of the skin (epidermis) and lines the throat, esophagus, vagina and anal canal
what is composed of cells designed to produce and secrete subsatnces into ducts or into body fluids
glands that secrete their products into ducts that open onto some internal or extrnal surface are
what are the most common type of fixed cell in the connective tissue and are large,star shaped cells that produce fibers by secreting protein into the extracellular matrix
thick threads of the potein collagen and they are important components of body parts that hold structures together
provides support, frameworks and attachments, protects underlying tissues, and forms structural models for many developing bones
fibrocartilage forms pads called
intervertebral disks, between individual vertebral; it also cushions the knees and the pelvic girdle
osteocytes and layers or extracellular matrix, which are concentrically clustered around a central canal, from a cylinder shaped unit called
osteon (hacersian system)
bone cells have a cytoplasmic process that extends outward and pass through very small tubes in the extracellular matrix called
what is composed of formed elements suspended is a fluid extracellular matrix called blood plasma
what are thin, sheet like structures composed of epithelium and underlying connective tissue covering body surfaces and lining body cavities
what lines the body cavities that lack openig to the outside and they cover viscera in these cavities
what is found in the brain, spinal cord and peripheral nerves and includes neuroglial cell that are critical to the functioning of neurons
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