DORSIVENTRAL
Dor`si*ven"tral, a. Etym: [Dorsum + ventral.]

1. (Biol.)

Defn: Having distinct upper and lower surfaces, as most common leaves. The leaves of the iris are not dorsiventral.

2. (Anat.)

Defn: See Dorsoventral.

DORSOVENTRAL
Dor`so*ven"tral, a. Etym: [dorsum + ventral.] (Anat.)

Defn: From the dorsal to the ventral side of an animal; as, the dorsoventral axis.

DORSUM
Dor"sum, n. Etym: [L.]

1. The ridge of a hill.

2. (Anat.)