Vena ethmoidalis is a medical term that refers to a vein located within the ethmoid bone of the skull. While there may not be many synonyms for this specific term, there are related terms that can be used in medical discussions. For example, the ethmoid sinus can be used to describe the cavities within the ethmoid bone, which can be a site of infection or inflammation. Additionally, "ethmoid veins" and "ethmoidal veins" can be used interchangeably with vena ethmoidalis to describe the veins located within this bone. Other terms related to the ethmoid bone include the cribriform plate, which is a thin bone that separates the nasal cavity from the brain, and the ethmoidal nerve, which provides sensory innervation to the nasal cavity and surrounding areas.