Where does positive and negative selection occur in the thymus?
What embryonic structure does the coronary sinus come from?
What artery does the anterior spinal artery branch off of?
What are the female sex hormones secreted by ovary?
Where is the first place fetal erythropoiesis occurs and when does this take place?
A lesion of the mammillary bodies (bilateraly) produces what?
What effect does 13-cis-retinoic acid have on the foetus?
What are 4 substances contained within the lysosomes of neutrophils?
What do medullary sinuses communicate with?
If you break your medial epicondyle of the humerus, which nerve would likely injure?
What does the 4th pharyngeal pouch develop into?
CN II has what function?
What 4 things do the lateral striate arteries supply?