This is a sagittal section of a newborn mouse brain.  Identify the structures marked A-E.

Choroid plexus is important for the brain.  Use the image below and answer the following questions:

Which histological changes you would expect to see in chronic cigarette smokers? (select all that apply)

A patient with chronic asthma shows airway narrowing and obstruction. Which histological features are most consistent with this condition? (select all that apply)

Which components form part of the blood-air barrier? (select all that apply)

In the transition from conducting to respiratory portions of the airway, which structural changes occur? (select all that apply)

Which histological feature distinguishes respiratory bronchioles from terminal bronchioles?

Which of the following best describes the epithelium lining the trachea?

This low magnification histological section shows two different blood vessel types for comparison. At this level, corresponding blood vessels can often be found in close proximity to one another.

What blood vessel type is labelled 'A'?

This is a high magnification histological section.

What type of blood vessel is labelled 'A'? What type of blood vessel is labelled 'B'?