The phrase "ventral part" refers to the bottom or belly side of something, such as an animal or an organ. It is the opposite of the "dorsal part," which refers to the upper or back side. Full definition
Anterogradely labeled fibers from the retina (shown in red) project upon all substructures of the Gld, i.e. LdOPT, SpRt and lateral / ventral parts of the DLL. (journals.plos.org)
The GABAergic neurons project from the ventral part of the medulla, which sits at the top of the spinal cord, into many regions of the brainstem and hypothalamus, and thus are able to affect many bodily functions. (sciencedaily.com)
Whenever the animals were in exposed, anxiety - provoking environments, the researchers noticed that specific cells in the ventral part of the hippocampus were active. (sciencedaily.com)