Anatomy Flashcards
what are the two anatomical components of the respiratory system?
the upper respiratory tract AND the lower respiratory tract
which anatomical structures are part of the upper respiratory tract?
Nasal cavities
Oral cavity
Pharynx
Larynx
Which anatomical structures are part of the lower respiratory tract also known as the respiratory tree?
Trachea Right and left main bronchus Lobar bronchi Segmental bronchi Bronchioles Alveoli
What is your larynx?
Voice box
What are the three parts of the pharynx?
Nasopharynx = posterior to the nasal cavity Oropharynx = posterior to the oral cavity Laryngopharynx = posterior to the larynx
At the level of _______ the larynx becomes the trachea and the pharynx becomes the oesophagus.
C6 vertebra
What does C6 vertebra mark?
The difference between the upper and lower respiratory tract
What is the anatomical name for your jaw bone?
The mandible
what is the function of the epiglottis?
To seal off the windpipe during eating
where is the epiglottis located?
Behind the tongue and at the top of the larynx
what does the respiratory tree describe?
It describes the anatomy of the lower respiratory tract airways from the trachea to the alveoli
There is ____ lobar bronchus for each of the ___ lung lobes.
One lobar bronchus for each of the 5 lung lobes
How many lobar bronchus are in the right lung?
3
How many lobes are in the left lung?
2
the lobar bronchi bifurcates into?
10 segmental bronchi
There are 10 segmental bronchi in each lung. True or false?
True
Name the 5 lung lobes
the right upper, middle and lower lobes
the left upper and lower lobes
what is a bronchopulmonary segment?
an area of the lung lobe that each of the segmental bronchi supply with air
How many bronchopulmonary segments are there?
10
what are fissures?
deep crevices that separate the lobes from each other
what and where is the lingual?
a tongue like extension from bottom of the upper lobe on the left lung
what does each lung lobe and bronchopulmonary segment have?
its own air supply, blood supply, lymphatic drainage and nerve supply
What lines the inside of the bronchial tree (except for the distal bronchioles and alveoli)?
Respiratory epithelium, mucous glands, cilia
what does a mucous gland look like on a gram stain?
a white circle