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Intro to Respiratory system
Includes anatomy and physiology
47
Physiology
Undergraduate 2
06/21/2012

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Term
Respiratory
Definition
oxygen into tissues into our body, make atp (oxy and glucose), get rid of CO2 that comes from your blood during aerobic respiration.
Term
Aerobic Respiration
Definition
C6H12O6 + 6O2 --> 6 CO2 + 6H2O + 36 ATP + Heat
Term
Grasshoper
Definition
Get o2 from diffusion into its tissues. unlike humans that carry hemoglobin into our blood which carries 02.
Term
Respiration
Definition
ventilation of the lungs-breathing, exchange of gasses -between blood, tissues, and air, and cellular respiration-02 to produce atp
Term
inspiration and expiration
Definition
takes in oxy an expels co2
Term
Functions
Definition
filters the air, allows us to exchange gases, regulate ph of ecf. Olfaction sensce of smell, sounds and resonance, get rid of h20 and heat, smelling,
Term
upper respiratory track
Definition
nasal cavity, paranasal sinuses, pharynx, larynx there are 4 paranasal sinuses
Term
lower respiratory
Definition
trachea, bronchi(primary, 2nd, teric) after that they are called bronchi Oles, then alveolar ducts, sacs, alveoil- actual exchange in lungs
Term
nasal cavity
Definition
filters and warms incoming air-(humidifies) Nasal mucous membranes-1st line of defense, olfactory epithelium- speech, nasal conchae & meatuses surface area of internal nose. Everything gets caught up in those areas. External & internal nares.
Term
Cilia of Nasal Mucous Membrane
Definition
contains cilia that only point in one direction
Term
Conducting division
Definition
passageways that serve only for airflow-not for gas exchange-like nose and throat trachea just brings air down (dead air) aveoli air is actual gas exchange
Term
Respiratory Division
Definition
Alveoli and other distal gas exchange tissues
Term
Rhinitis
Definition
excessive mucus production with inflammation of mucous
Term
epistaxis
Definition
nosebleed
Term
Rinoplasty
Definition
plastic surgey
Term
Pharynx
Definition
extends from internal nares to the level of the cricoid cartilage moves air and food to distal location, contains openings for auditory tubes.
Term
larynx
Definition
very short passageway connecting larynopharynx to trachea, primary function-patent airway-keepfood and ingest fluids out of airways, produces sound,
Term
Glottis
Definition
false vocal cords on top and true on bottom. False cords can close the trachea-backs up epiglottis in case it has to be cut off. True vocal cords makes sound. (glottis is the hole thing)
Term
Rima glottis
Definition
space between the true folds-closes when we swallow.
Term
laryngitis
Definition
inflammation of larynx (don't wisper)
Term
Trachea
Definition
Rings make sure trachea stays open, extends from larynx (c5) to superior border of T5, there are 16-20 partial rings so food can pass down the esophagus.
Term
Carina
Definition
sensitive mucous membrane triggers cough
Term
tracheotomy
Definition
insert a tube into trachea, permanent modification from car accident etc, must suction frequently,
Term
Cricothyrotomy
Definition
A puncture of cricothyroid ligament (emergency only, like anaphylaxis-can't intubate, etc...preformed using a needle, not intended to last over 72 hrs
Term
Primary Bronchi
Definition
Right one is shorter and vertical. Objects get stuck there. Less and less cartilage towards bottom and more smooth muscle for dialation.
Term
Bronchioles
Definition
20-25 orders of branching, primary, secondary, tertiary, then bronchioles, terminal bronchioles, respiratory bronchioles.
Term
bronchial arteries
Definition
O2 for lungs themselves or blood supply to themselves, as opposed to pulmonary arteries that come off pulmonary trunk provide gas exchange.
Term
bronchoconstriction
Definition
smooth muscle contraction with narrowing of airways-
Term
Histamine
Definition
causes bronchoconstriction so you cannot breath.
Term
bronchodilation
Definition
smooth muscle relaxation, Beta 2 bronchodialation! sympathetic ns stimulaiton with b2
Term
Terminal Bronchioles
Definition
no mucous glands, no goblets cells, very few cilia, great need for macrophages, they divide into respiratory bronchioles. Terminal do not have alveoli attached to them
Term
respiratory bronchioles
Definition
Beginning of respiratory zone, where gas exchange can begin. Have alveolar attached to them.
Term
Pulmonary vein and Pulmonary Artery
Definition
You can see them on the alveolar sacs. Red-oxygenated blood, blue-deoxygenated blood
Term
Alveolar sacs
Definition
cluster of grapes, Alveolus-on individual grape
Term
Type 1 alveolar cells
Definition
simple squamous epithelial cells for gas exchange,
Term
Type 2 Alveoli cells
Definition
septal cells secrete surfactan-makes things slippery so alveoli dont stick
Term
Alveoli macrophages
Definition
dust cells kill everything that enters the bottom of lungs
Term
Respiratory membrane
Definition
There are 300 million alveoli with a combined surface area of a racquet court.
Term
Pleuritis
Definition
inflammation of pleura-friction rub, too much fluid pleural effusion
Term
thoracentesis
Definition
take a big ass needle to remove fluid
Term
atelectasis
Definition
collapse of a portion of the lung
Term
pneumothorax
Definition
air in pleural space
Term
hemothorax
Definition
blood in the pleural space
Term
RDS
Definition
Respiratory distress syndrome-deficiency of surfactant (Aveoli collapse so you cant breath)- TX survanta to treat the babies.
Term
Pulmonary Ventilation
Definition
Breathing-atmospheric air enters/leaves alveoli
Term
Alveolar gas exchange
Definition
gas exchange at the respiratory membrane-external respiration
Term
systemic gas exchange
Definition
gas exchange between the systemic capillaries, isf, and cells. Internal respiration.
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