vastus medialis in dogs

The vastus medialis, often called the 'teardrop' muscle, is a medially located muscle of the quadriceps. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the vastus medialis is

The vastus medialis, often called the 'teardrop' muscle, is a medially located muscle of the quadriceps. [WP,unvetted]. The atlas records it as a muscle at the organ scale in the dog.

Where the vastus medialis is

It sits in the hindlimb, within the muscular system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What the vastus medialis connects to

The atlas records 5 typed relationships for it, across 5 kinds of connection. part of quadriceps femoris.

Supply and innervation

Innervation: femoral nerve.

Also called

Also recorded as medialis, vastus medialis muscle and vastus internus. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001380, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: quadriceps femoris.
• A kind of: quadriceps femoris.
• Innervated by: femoral nerve.
• inserts into: patella.
• originates from: femur.

Questions

Where is the vastus medialis?

It sits in the hindlimb, within the muscular system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What does the vastus medialis connect to?

Part of: quadriceps femoris.

Is the vastus medialis the same in other species?

This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.