Anatomy - Lungs & airways Flashcards
Who controlls the respiration?
Neurons in medulla & pons
Respiration ≠ Breathing
What’s the role of the medulla?
Sets the respiratory rhythm
What’s the rol e of the pons?
Influence & modify the activity of the medullary neurons
Composition of Upper respiratory tract
- Mouth
- External nose
- Paranasal sinuses
- Pharynx
- Larynx
Comment peut on qualifier l’upper respiratory tract?
D’extra thoracic
Def Lower respiratory tract
Complex series of branching tubes that culminate in the gas exchanges area
Composition of LRT
=Lower respiratory tract
- Trachea
- 2 main bronchi
- lobar bronchi
- segmental bronchi
- bronchioles
- alveoli
Comment peut on qualifier le LRT?
D’intra-thoracic
Composition of the nose
- external nose
- Nasal vestibules
- Nasal cavities
- Mucous menbrane
Mucous menbrane
Composition & Role
- specialized epithelial cells
- Filter particulate matter
- Adjust T° & humidity of inspired air
External nose
- Olfactory & respiratory organ
- Resonator of voise
- bone, cartilage, fibro-fatty tissue
Nasal vestibules
- Hair & skin
Nasal cavities
- Elongated seashell
- mucosa
- 4 pathways (sup , middle, inferio concha & spheno-ethmoidal recess)
Where is located the pharynx?
Adult : C5/C6 ou C3-C6
Children : C3/C4
Before Esophagus
Division du Pharynx
- Nasopharynx
- Oropharynx
- Laryngopharynx