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Thyroid gland

Trachea

Larynx

Thymus

Lung Heart

Stomach

Spleen

Liver

Diaphragm

(a)

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Thymus

in fetus

Thymus

in adult

The Respiratory SystemCopyright © McGraw-Hill Education. Permission required for reproduction or display.

Anatomy of Upper Respiratory TractCopyright © McGraw-Hill Education. Permission required for reproduction or display.

Anatomy of the Upper Respiratory

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Nasal

conchae

Superior

Middle

Inferior

Sphenoidal sinus

Pharyngeal tonsil

Nasopharynx

Opening of

auditory tube

Palatine tonsil

Oropharynx

Lingual tonsil

Epiglottis

Laryngopharynx

EsophagusTrachea

Larynx

Hyoid bone

Tongue

Uvula

Hard palate

Nostril

Frontal sinus

Anatomy of the Larynx

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Epiglottis

Hyoid bone

Thyroid cartilage

Cricoid cartilage

Trachea

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Trachea

Epiglottis

Hyoid bone

Thyroid cartilage

Cricoid cartilage

Hyoid bone

Epiglottis

Thyroid cartilage

Cricoid cartilage

Trachea

(a)

(b)

Larynx - anterior

Thyroid

cartilage

Cricoid

cartilageEpiglottis

Circothyroid

membraneThyrohyoid

membrane

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Larynx - posterior

Laryngeal

cartilagesEpiglottis Thyroid

cartilage

Cricoid

cartilage

Arytenoid

cartilage

Corniculate

cartilage

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True vocal

cord

False vocal

cord

Posterior portion

of tongue

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Right main

bronchus

Trachea

Larynx

Left

main

bronchus

Carina

Cricoid

cartilage

Thyroid

cartilage

Trachea

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Hyoid

bone

Thyroid

cartilage

Cricoid

cartilage

Trachea

Thyroid gland

Gross Anatomy of the Lungs

(a) Anterior

view

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Gross Anatomy of the Lungs

(b) Mediastinal surface, right lung

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Right middle lobe

Bronchiole

Alveolus

Left superior

(upper) lobe

Trachea

Larynx

Right superior (upper) lobe

Right

bronchus

Bronchiole

Right inferior (lower) lobe

Left inferior

(lower) lobe

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Pulmonary

artery

Pulmonary

vein

Bronchiole

Alveoli

Capillary network on

surface of alveolus

Pulmonary

venuleBlood flow

Blood flow

Bronchiole

Smooth muscle

Alveolus

Blood flow

Pulmonary

arteriole

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Trachea

Superior (upper)

lobe of left lung

Sternum

Inferior (lower)

lobe of left lung

Inferior (lower)

lobe of right lung

Middle lobe

of right lung

Superior (upper)

lobe of right lung

Scapula

Clavicle

Thyroid cartilage

Cricoid cartilage

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Left lung

Visceral

pleura

Parietal

pleura

Left pleural

cavity

Right pleural

cavity

Pericardial

cavity

Heart

Plane of

section

Pericardium

Pleura

Right lung

Pleural Membranes

Visceral pleura Parietal pleura

Pleural cavity