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respiratory
lung volumes & states of breathing
20
Anatomy
Undergraduate 2
11/04/2009

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Term
tidal volume
Definition
volume inhaled/exhaled in normal breath.
Term
inspiratory reserve volume
Definition
amount that can still be inspired after a normal breath
Term
inspiratory reserve volume
Definition
amount that can still be inspired after a normal breath
Term
expiratory reserve volume
Definition
amount that can still be expired after a normal breath
Term
residual volume
Definition
air remaining in lungs after a forced exhalation
Term
eupnea
Definition
normal quiet breathing
Term
dyspnea
Definition
difficult breathing
Term
hyperpnea
Definition
increased depth or frequency of breathing
Term
polypnea
Definition
rapid shallow breathing
Term
apnea
Definition
cessation of breathing
Term
tachypnea
Definition
excessively rapid breathing
Term
bradypnea
Definition
abnormal slowness of breathing
Term
bradycardia
Definition
qrs waves are very far apart, slower heart rate
Term
tachycardia
Definition
qrs curves are closer together, more sharp & high, heart rate is increased
Term
lysozyme
Definition
salivary enzyme with antibacterial actions.
Term
amylase
Definition
starch digesting enzyme, absent in rumens.
Term
crypts of lieberkuhn
Definition
digestive glands
Term
brunner's gland
Definition
secrete mix of dig enzymes known as succus entericus
Term
Rennin
Definition
an enzyme in the gastric juice of abomasum. helps in coagulating milk and reduces its rate of passage through GIT.
Term
presecretions that stimulate parietal cells
Definition
gastrin, histamine and acetylcholine
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