Exam 2 Flashcards
Ch 4-7 10/11
define tissues
groups of cells similar in structure that perform common or related function
individual body cells are specialized, meaning
each type performs specific functions that maintain homeostasis
groups of cells similar in structure that perform common or related function
tissues
study of tissues
histology
define histology
study of tissues
basic tissue types
epithelial, connective, muscle, and nervous tissue
what type of tissue is blood?
connective tissue
internal communication
nervous tissue
nervous tissue function
internal communication
nervous system structure
brain, spinal cord, nerves
brain, spinal cord, nerves
nervous system
contracts to cause movement
muscle tissue
muscle tissue function
contracts to cause movement
attached to bones; makes up the heart; walls of hollow organs
muscle tissue
muscle tissue structure
muscles attached to bones (skeletal muscle); muscles of heart (cardiac muscle); muscles of walls of hollow organs (smooth muscle)
what is skeletal muscle
muscles attached to bones
what is cardiac muscle
muscles of heart
what is smooth muscle
muscles of walls of hollow organs
muscles attached to bones
skeletal muscle
muscles of heart
cardiac muscle
muscles of walls of hollow organs
smooth muscle
forms boundaries between different environments, protects, secretes, absorbs, filters
epithelial tissue
epithelial tissue function
forms boundaries between different environments, protects, secretes, absorbs, filters
lining of digestive tract organs and other hollow organs, glands, skin surface
epithelial tissue
epithelial tissue structure
lining of digestive tract organs and other hollow organs, glands, epidermis
supports, protects, binds other tissues together
connective tissue
connective tissue function
supports, protects, binds other tissues together
bones, tendons, fat and other soft padding tissue
connective tissue
connective tissue structure
bones, tendons, fats and other soft padding tissues
most abundant tissue in the body
connective tissue
to be viewed under a microscope, tissue must be…
fixed; sectioned; stained
tissue must be fixed, meaning
preserved with solvent
tissue is preserved with solvent
fixed
tissue must be sectioned, meaning
cut into slices thin enough to transmit light or electrons
cut into slices big enough to transmit light or electrons
sectioned
tissue must be ____ to enhance contrast
stained
tissue must be stained to…
enhance contrast
what do artifacts do in stained tissue?
detract from what the sample looks like in living tissues
in stained tissue ____ detract from what the sample looks like in living tissues
artifacts
light microscopy uses ____ to stain tissues
colored dye
____ uses colored dye to stain tissues
light microscopy
electron microscopy uses ____ to stain tissues
heavy metal coatings
____ uses heavy metal coatings to stain tissues
electron microscopy
what microscope was used here:
light microscope
what microscope was used here:
electron microscope