The SA and AV nodes are usually supplied by what artery?
CN VII passes through what 'hole'?
Death of the cells called?
What can be found in the medulla of the thymus?
When does organogenesis occur in the foetus?
What is oligohydramnios?
how many digestiv system in human being?and which are they?
In what area of the spleen are T cells found?
What structures perforate the diaphragm at what vertebral levels?
What does the thymus arise from?
Which lung provides a space for the heart to occupy?
What does the notochord give rise to?
Name four structures that are overlain by the attachment of the small bowel mesentery.