Ventral Orientation

Ventral orientation is an anatomical reference that identifies the side of an organism directed toward its belly or front surface, making it essential for describing body position and organization. It works by locating structures along the dorsoventral axis, using the ventral surface in relation to the opposing dorsal surface while accounting for the organism’s body plan and posture. This terminology provides a consistent framework for mapping tissues, organs, and developmental regions in biology. Researchers and students use ventral orientation in comparative anatomy, embryology, dissection, microscopy, and imaging to communicate spatial relationships accurately and interpret changes in body form.

Ventral Orientation - Related Videos

Research

JoVE EoE - Neuronal Culture Techniques

Co-culturing of Ventral Hippocampal and Nucleus Accumbens

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2025

This video demonstrates the process of preparing ventral hippocampal and nucleus accumbens tissues from mouse brains for co-culture. Neurons extend projections to form synaptic connections between the ventral hippocampal and nucleus accumbens tissues. This method allows studying neuronal interactions between these two brain regions, offering insights into cognition, behavior, and neurological disorders.

The Preparation of Oblique Spinal Cord Slices for Ventral Root Stimulation

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Cited by 1 •

2016

We show how to prepare oblique slices of the spinal cord in young mice. This preparation allows for the stimulation of the ventral roots.

Education

JoVE Core - Calculus

Oriented Surfaces

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2026

A surface is called orientable if a consistent choice of unit normal vector can be made at every point on the surface. A thin soap film stretched across a wire loop provides a familiar example. The film separates the air on one side from the air on the other, so one side can be selected as positive and the opposite side as negative. Once this choice is made, a unit normal vector can be assigned smoothly across the entire surface.At each point on the soap film, a unit normal vector points...

In ovo Expression of MicroRNA in Ventral Chick Midbrain

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Cited by 5 •

2013

Ectopic expression is one technique to elucidate the microRNAs role in brain development. However, targeting specific areas using in ovo electroporation is challenging. Here, we show an efficient way to selectively electroporate ventral and dorsal midbrain regions.

Use of a Rat Model to Study Ventral Abdominal Hernia Repair

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Cited by 5 •

2017

This manuscript describes methods associated with creation and repair of a ventral abdominal wall defect (hernia). This model can be used to study repair strategies such as those that use implanted materials. In this manuscript, repair of the experimental hernia with porcine small intestinal submucosa is presented as an example.

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