passages.id: split_5_test_2557_passage
passages.type: progene_text
passages.text: During murine development , neither SEMA6C nor SEMA6D was expressed in embryonic day 10.5 ( E10.5 ) embryos , but both were highly expressed in the areas of the lateral ventricle , the striatum , the wall of the midbrain , the pons / midbrain junction , and the choroid plexus of E13 embryos .