Pectineal muscle

Musculus pectineus

  • Muscle
  • Back leg
  • Paired: left and right
  • Horse

Adducts and flexes the thigh.

About the pectineal muscle of the horse

Pectineal muscle is a muscle of the back leg (pelvic limb), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus pectineus. You can turn it above, see it in place in the back leg of the horse, and open it inside the whole animal in Vetomica.

Where it runs from and to

A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.

Origin
The pecten of the pubis and the prepubic tendon.
Insertion
The medial border of the femur about its middle.
Action
Adducts and flexes the thigh.
Nerve
The obturator and femoral nerves.

Written for Vetomica in its own words from the standard reference anatomy of the horse; the books it was checked against are listed below.

Terminology

English
Pectineal muscle
Latin (NAV)
Musculus pectineus
Status
A valid term in the Nomina Anatomica Veterinaria

Questions about the pectineal muscle

What is the Latin name of the pectineal muscle?
In the Nomina Anatomica Veterinaria, the pectineal muscle is called Musculus pectineus.
Where is the pectineal muscle of the horse?
Pectineal muscle is a muscle of the back leg (pelvic limb), one on each side of the body.
Where does the pectineal muscle originate and insert?
Origin: The pecten of the pubis and the prepubic tendon. Insertion: The medial border of the femur about its middle.
What nerve supplies the pectineal muscle?
The obturator and femoral nerves.
What does the pectineal muscle do?
Adducts and flexes the thigh.

See the pectineal muscle inside the whole horse.

Vetomica opens on this structure with every layer of the horse around it: peel back the skin and the muscles, cut a section through it, X-ray it, and practise naming it until you stop getting it wrong.

Free for 7 days, no card. After that the skeletons stay free.

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