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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Innervation of Tracheobronchial Tree: Schema

Descending tracts

in spinal cord

From hypothalamic

and higher centers

Inferior ganglia

Glossopharyngeal nerve (CN IX)

Vagus nerve (CN X)

(cholinergic; efferent to smooth

muscle and glands; afferent

from aorta, tracheobronchial

mucosa, and alveoli)

Superior cervical

ganglion

Sympathetic nerves

(adrenergic)

Afferent nerves from

nose and sinuses (via

trigeminal [CN V] and

glossopharyngeal [CN IX]

nerves) may also initiate

reflexes in airways

Superior

laryngeal

nerve

Larynx

T1

Carotid sinus

Thoracic

spinal cord

T2

T3

T4

T5

Carotid body

Arch of

aorta

Common

carotid

artery

Left recurrent

laryngeal

nerve

Cough

receptors

Sympathetic trunk

Pulmonary plexus

Cough receptors

Parasympathetic fibers

Sympathetic fibers

Afferent fibers

Irritant receptors

Stretch receptors (Hering-Breuer reflex)

Plate 214

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Lungs

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