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 transverse histological image is an example of what type of blood vessel?

This is a high magnification histological section.

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

Atria & Auricles

The atria have out-pouches called auricles (= 'ears'). These are visible mostly from the anterior view of the heart. Internally, the auricles of the atria contain mostly pectinate muscle.

On this image above which labels indicate the right and left auricles of the atria? Select 2 options

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Scrolling through these sets of images (coronal lung window), determine what the labelled structures below correspond to:

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Scrolling through these sets of images (coronal lung window), determine what the labelled structures below correspond to:

Visit https://radiopaedia.org/cases/normal-ct-chest?lang=gb

Scrolling through these sets of images (coronal lung window), determine what the labelled structures below correspond to:

Visit https://radiopaedia.org/cases/normal-ct-chest?lang=gb

Scrolling through these sets of images, determine what the labelled structures below correspond to:

Visit https://radiopaedia.org/cases/normal-ct-chest?lang=gb

Scrolling through these sets of images, determine what the labelled structures below correspond to:

A newborn baby, born at term, develops breathing difficulties shortly after birth. The following chest Xray is taken after stabilisation:

Fetal development of which original structure has been abnormal leading to this presentation?