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cell tissue
study of tissues/histology review for final
23
Histology
Undergraduate 3
04/16/2014

Additional Histology Flashcards

 


 

Cards

Term
axon hillock
Definition
site of all or nothing, action potential.
Term
secretions of the Thyroid
Definition
T3= more potent, made by follicular cells
T4= more abundant, made by follicular cells
calcitonin- made by parafollicular cells
Term
SER
Definition
produces lipids (steroids are made of lipids)
Term
calcitonin
Definition
Secretion of Thyroid, decreases blood calcium levels, increases osteoblast activity.
Term
lining of esophagus
Definition
non-keratinized stratified squamous, with subesophageal glands.
Term
internal elastic lamina
Definition
large arteries- contains elastic fibers
Term
clara cells
Definition
lungs, stem cells, differentiate into goblet cells and etc.
Term
somatostatin
Definition
secreted by enteroendocrine/argentaffin cells. decreases glucagon, insulin, GH and etc.
Term
PTH
Definition
stimulates osteoclast activity
Term
unipolar neuron
Definition
found in mouth
Term
multipolar neuron
Definition
found in CNS
Term
bipolar neuron
Definition
found in eyes, ears, nose
Term
interneuron
Definition
connects afferent and efferent neurons
Term
dendrite
Definition
receives stimulus
Term
oligodendrocyte
Definition
myelinates CNS, multiple axons at once.
Term
Schwann cell
Definition
myellinates PNS, only one axon at a time.
Term
mesoderm derivatives
Definition
lining of kidney, connective tissue, muscle, dermis, reproductive organs,
Term
endoderm derivatives
Definition
lining of GI tract, lungs, liver, pancreas, thyroid
Term
ectoderm derivatives
Definition
enamel of teeth, nervous system, sensory, epidermis, hair,
Term
AT1
Definition
functional unit of lungs, responsible for gas exchange
Term
AT2
Definition
secretes surfactant, keeps up lung capacity, keeps from collapsing and sticking together
Term
juxtaglomerular cells
Definition
mechnaoreceptors, when BP changes occur they are stimulated
Term
macula densa
Definition
osmoreceptors, when water or sodium content changes they are activated.
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