Intervertebral foramen: An opening between vertebrae through which nerves leave the spine and extend to other parts of the body. Also called a neural foramen.
There are basically three different types of apartment size refrigerators based on capacity: The smallest one is the compact cube refrigerator (1.5 to 2.7 cu ft). The next is the compact refrigerator with a capacity of 3.5 to 6 cu ft.
Generally (but not always): height - 55-69width - 24-36depth - 26-33. There are a wide range of refrigerator styles, and variation of dimensions within those styles. Standard can thus mean many different things.