What do the 2nd - 4th branchial clefts form, which are
obliterated by proliferation of the 2nd arch mesenchyme?
After the first breath at birth, what causes closure of the ductus arteriosus?
A common football injury caused by clipping from the lateral side will damage what structures ?
Is the hippocampal formation part of the limbic system?
What is a varicose vein?
What is the female homologue to the prostate gland in the male?
Which hormones are produced by kidneys?
Does muscle arise from neural crest (ectoderm), mesoderm, or endoderm?
What can be found in the cortex of the thymus?
What makes endolymph?
Which branchial arch does Meckel's cartilage develop from?
Which muscles are derivatives of the 4th branchial arch?
Which is more common a hypospadias or epispadias?