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Anatomy: Tissues

epithelial, connective, muscle, nervous tissue

termpicture
simple squamous epithelium (found & function) lung; diffusion
simple cuboidal epithelium (found & function) kidney; secretion and absorption
simple columnar epithelium (found & function) digestive tract, stomach,; absorption secretion of mucus
pseudostratified columnar epithelium with cilia (found & function) male sperm carrying ducts, trachea, respiratory tracts; secretion, propels mucus using cilia
stratified squamous epithelium (found & function) Keritonized- SKIN nonkeritonized- moist linings esophogus, mouth and vagina; protects underlying tissues
transitional epithelium (found & function) BLADDER; stretched and allows to fill with urine
loose AREOLAR CT (found & function) mucus membranes, surrounds capillaries, under epithelia of body widely distributed; wraps and cushions organs, hold and conveys tissue fluids
adipose tissue (found & function) under skin around kidneys and eyeballs, within abdomen, in breasts; reserve food fuel, insulates against heat loss
dense regular CT (found & function) (light yellow, looks almost like skeletal) tendons, most ligaments; attaches muscle to bone or to muscle, attaches bone to bone
dense irregular CT (found & function) dermis of the skin; able to withstand tension exerted in many directions, structural strength
reticular CT (found & function) lymphoid organs (lymph nodes); soft internal skeleton that supports other cell types (WBC's, macrophages, mast cells)
Hyaline (found & function) (Purple) forms the embryonic skeleton, forms costal cartilages in ribs, nose and trachea; supports and reinforces, cushioning properties
Elastic cartilage (found & function) (deep concentrated blue and pink) external ear; maintains shape of structure, allows flexibility
fibrocaritlage (found & function) intervertebral discs; tensile strength, absorbs shock
bone (found & function) bones; supports an protects, levers for muscles, marrow for blood cell formation
blood (found & function) blood vessels; transport of nutrients, respiratory gases
skeletal tissue (found & function) skeletal muscles attached to bones, occasionally skin; VOLUNTARY MOVEMENT, locomotion, facial expressons
cardiac tissue (found & function) (dark purple) walls of the heart; contracts, propels blood into circulation, INVOLUNTARY
smooth tissue (found & function) walls of hallow organs; propels substances along passageways, INVOLUNTARY
nervous tissue (found & function) brain, spinal cord, nerves; transmit electrical signals from sensory receptors,
5 characteristics of epithelial tissue 1. composed entirely of cells, very little ECM 2. cells are jointed tightly together into one or more sheets 3. have a basement membrane 4. avascular 5. can regenerate by mitosis
epithelial tissue can be classified by: cell shape & cell arrangement
definition of Tissue: an organization of cells similar in structure and perform a common or related function,
the most durable tissue type: connective
most widespread tissue in the body: connective
5 major FUNCTIONS of epithelium: protection (ie skin), absorption (ie cells lining digestive tract), filtration (ie kidneys), secretion (ie glands), sensory reception (free endings of sensory neurons)
how does stratified differ from simple epithelia? Stratified have more layers for protection; simple allow materials to move across them and are less protective
difference between exocrine and endocrine glands? Endocrine are ductless glands with secrete hormones that are liberated into the bloodstream. Exocrine have ducts which secrete their various types of secretion to the surface of the body
lining of the esophagus stratified squamous
lining of the stomach simple columnar
alveolar sacs of lungs simple squamous
tubules of the kidney simple cuboidal
epidermis of the skin stratified squamous
lining of the bladder transitional
forms the thin serous membranes simple squamous
4 Types of CT connective Tissue Proper, cartilage, blood, bone
CT can be classified by: no free surface, varying degrees of vascularity, widely separated by lots of non living ECM
ECM types of fibers collagen, elastic, reticular
functions performed by CT protection, support, binding together other tissues
2 characteristics developed in neurons: irritability & conductivity
how are neurons SIMILAR to other cells contain nucleus and usual organelles
how are neurons DIFFERENT from other cells cytoplasm is drawn out into long processes
Created by: sambarr18
 

 



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