dorsum

As a letter s

is the letter s with a.

As a noun dorsum is

(anatomy) the back or dorsal region on an animal.

As nouns the difference between dorsum and null

is that dorsum is (anatomy) the back or dorsal region on an animal while null is zero, nil; the cardinal number before einn.

In anatomy|lang=en terms the difference between dorsum and septum

is that dorsum is (anatomy) the back or dorsal region on an animal while septum is (anatomy) a wall separating two cavities; a partition; as, the nasal septum.

As nouns the difference between dorsum and septum

is that dorsum is (anatomy) the back or dorsal region on an animal while septum is (anatomy) a wall separating two cavities; a partition; as, the nasal septum.

As a proper noun palmar

is .

As a noun dorsum is

(anatomy) the back or dorsal region on an animal.

As nouns the difference between rachis and dorsum

is that rachis is (botany) the main shaft of either a compound leaf, head of grain, or fern frond while dorsum is (anatomy) the back or dorsal region on an animal.

As nouns the difference between taxonomy and dorsum

is that taxonomy is the science or the technique used to make a classification while dorsum is (anatomy) the back or dorsal region on an animal.

In anatomy terms the difference between dorsum and anterior

is that dorsum is the back or dorsal region on an animal while anterior is nearer the forward end; nearer the head of an animal or the front of a human.

As a noun dorsum

is the back or dorsal region on an animal.

As an adjective anterior is

before in place.