The phrase
"ventral surface" refers to the underside or belly side of an object or organism. It is the opposite of the "dorsal surface," which refers to the upper or back side.
Full definition
Its head's
ventral surface lacks the numerous prominent furrows of the related rorquals, instead bearing two to five shallow furrows on the throat's underside.
The fish lie on the side or along
the ventral surface and lift the head off the ground, rotate it over the body towards the tail end and jump away.
The external cuticle on
the ventral surface is analogous to the peritrophic membrane (found in the midgut of other insects) in adult females (Kathirithamby 2000).
To break this dense matrix, cells develop finger - like protrusions, called invadopodia, at
their ventral surface.
Firstly, invadopodia - like protrusions form at
the ventral surface of invasive cells; later, one protrusion elongates that lastly drives the infiltration of cells into the underlying compartment.
In 2D, only
the ventral surface of a migrating cell is in contact with the ECM, where cell - matrix adhesions are assembled.
Location on mucocutaneous junctions or on
the ventral surface of the body is associated with a more aggressive behavior.
Some dogs which do not get enough nutrients, especially «Glucosamine» in their diet, may find that
the ventral surface of the paw becomes weakened and thus the paw muscles may get sprained, even due to walking and usual running and playing behavior.
Molting starts on
the ventral surface and spreads over the flanks to meet on the back.
When the infants failed to attach to
the ventral surface of the mother, they would cling to the dorsal surface and attempt to move to the mother's ventral surface.»