In the name of GOD

Anatomy of the Trachea

Figure 23–6

Tracheal wall

• 16-21 C-shaped

hyaline

cartilage rings

• Trachealis

muscle

(sm.mus.)

21.7a

The Pleura

• Consists of 2 layers:

– parietal pleura

– visceral pleura

• Pleural fluid:

– lubricates space between 2 layers

Figure 23–8

Pleural Cavities and Pleural

Membranes

Thanks for your attention