Metastases is the plural formation of the word mestasis.
noun formation
vertebrae
vertabra
Yes the word formation is a singular noun. The plural noun is formations.
The plural form of the noun goose is geese.The plural possessive form is geese's.Example: A geese's formation passed over our heads.
Spondylitis means inflammation of a vertebra.
Pantheresses. It is a perfectly standard formation: words whose singular ends with a double 's' form their plural by adding 'es'.
A pivot joint is located between the skull and the first vertabra
The plural form is squirrels; the plural possessive form is squirrels'.
The plural form of the noun bird is birds.The plural possessive form is birds'.example: We watched a birds' formation pass overhead.
The first vertebrae is called The Atlas.The second is the Axis, which allows the neck/head to pivot(turn).