Lung

In this specimen of lung, the prominent dark-reddish structures are blood vessels filled with blood.  (Histological preparation often washes away blood, rendering blood vessels much less conspicuous.)  Also, this lung is not fully inflated so alveolar walls appear somewhat wrinkled.

Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

https://histology.siu.edu/crr/CR012b.htm
Last updated:  27 May 2022 / dgk