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myofibril
linear arrangements of muscle cells
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striations
alternating bands of proteins in muscle cells
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lipids
energy storage products that is hard to break down.
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intercalated discs
electrically permeable cell junctions in cardiac muscle.
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osteocytes
cells that make bone
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haversian canal
main blood supply to the bone cells
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canaliculi
small canals supplying blood to bone cells
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lamellae
hardened rings in bone
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collagen
extremely strong connective tissue fiber.
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chondrocytes
make cartilage
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reticular fibers
extremely fine connective tissue fiber (from the fetal tissue).
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adipocytes
cells that make lipids
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fibroblast
cells that make fibers and reproduce constantly.
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matrix
background substance in con tissue is made of protein plus water.
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columnar cells
nuclei are narrow band close to basement membrane. height is several times the distance between nuclei.
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cuboidal cells
square epithelial cells
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squamous cells
thin and flat epithelial cells
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basement membrane
area where con. Tissue joins epithelial tissue.
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plasma
the fluid substance of blood
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leukocytes
a white blood cell. cells that attack invaders
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axon/dendrite
carries info in and out of the neuron
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cilia
small cell projections that move items as they “wave” back and forth
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neuroglial cells
central nervous system cells that protect the neurons
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neuron
specializes in intracellular communication
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keratin
water-proofs the skin
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involuntary control
movement within the non-conscious.
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voluntary control
movement that is conscious
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melanin
yellow-brown pigment produced by melanocytes of the skin
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melanocytes
produces melanin
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keratinocytes
make keratin, strength for nails, hair
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reticular fibers
least common CT. thinner collagen fibersd interweave in the organism
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mucus
composed of water and mucins
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thrombocytes
clot the blood
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erythrocytes
red blood cells
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filtration, osmosis, diffusion (simple squamous epithelium)
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air sacs of lungs, lines blood vessels (simple squamous epithelium)
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they water-proof the skin. drys outer skin (stratified squamous keratinized epithelium)
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outer epidermis (stratified squamous keratinized epithelium)
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moves food and urine. regulates diameter of blood vessels (smooth muscle)
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digestive, respiratory, urinary and reproductive organs (smooth muscle)
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some secretion, some protection (simple cuboidal epithelium)
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tear duct, sweat ducts, mammary ducts. (simple cuboidal epithelium)
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ultimate cells for absorption and secretion. (simple columnar epithelium)
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stomach lining, intestine, gall bladder, uterine tubes (simple columnar epithelium)
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stabilizes position of skeleton. guards entrances and exits to the digestive, respiratory, urinary, and generates heat. (skeletal muscle)
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with connective tissue and neural tissue (Skeletal muscle)
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allows sensing of stimuli, transmit impulses to involuntary muscles and glands. create and move electrical impulses.(nervous tissue)
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spinal cord, brain, nerves.
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great protection, secretion of mucus, cilia moves eggs. (pseudostratified ciliated columnar epithelium)
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trachea lining, fallopian tubes (pseudostratified ciliated columnar epithelium)
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reduces friction between bony surfaces, stiff but flexible support (hyaline cartilage)
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synovial joints, larynx, nasal septum (hyaline cartilage)
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supports. distorts without damage and returns to original shape. (elastic cartilage)
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auricle, auditory tube. (elastic cartilage)
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resists compression. limits relative movement (fibrocartilage)
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pads in knee joint. between pubic bones of the pelvis (fibrocartilage)
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contracts to move blood. maintains blood pressure (cardiac muscle)
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walls of the heart, (cardiac muscle)
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provides firm attachment. reduces friction between muscles. (dense regular fibrous connective tissue)
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between skeletal muscles and tendons. covers skeletal muscles. (dense regular CT)
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carries oxygen to the cells, and waste products away. (blood CT)
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protects vital organs, leverage and movement (bone CT)
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insulates, stores energy reserves (adipose CT)
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cushions organs, permits independent movement (areolar Ct)
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mid-layer of skin, digestive tract, between muscles (areolar CT)
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protects on moist cavities. (stratified squamous nonkeratinized epithelium)
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moist linings, cornea, nose lining, esophagus. (stratified squamous nonkeratinized epithelium)
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expands and contracts quickly, many times a day. (transitional epithelium)
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lines the bladder, ureters. (transitional epithelium)
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