Можно еще вопрос? Medullary brainstem nuclei. И термин medullary в след.контекте:
The brainstem is rapidly infected by CoV PHEV, which is initially detected in medullary sensory trigeminal and vagal neurons. These neurons are particularly involved in regulation of the digestive tract function, deglutition, as well as the cardiac and respiratory functions. It is likely that the vomiting diseases pertaining to CoV PHEV infection be the consequence of lesions located within these medullary brainstem nuclei and the resulting dysfunction of the digestive tract.
Ядра ствола головного мозга?
Medullary здесь как "мозговой"?