Dorsal rectus muscle of the eyeball

Musculus rectus dorsalis

  • Muscle
  • Head
  • Paired: left and right
  • Horse

Turns the eye upward.

About the dorsal rectus muscle of the eyeball of the horse

Dorsal rectus muscle of the eyeball is a muscle of the head (head), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus rectus dorsalis. You can turn it above, see it in place in the head 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 rim of the optic foramen, deep in the orbit.
Insertion
The sclera, above the cornea.
Action
Turns the eye upward.
Nerve
Oculomotor nerve.

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
Dorsal rectus muscle of the eyeball
Latin (NAV)
Musculus rectus dorsalis
Status
A valid term in the Nomina Anatomica Veterinaria

Questions about the dorsal rectus muscle of the eyeball

What is the Latin name of the dorsal rectus muscle of the eyeball?
In the Nomina Anatomica Veterinaria, the dorsal rectus muscle of the eyeball is called Musculus rectus dorsalis.
Where is the dorsal rectus muscle of the eyeball of the horse?
Dorsal rectus muscle of the eyeball is a muscle of the head (head), one on each side of the body.
Where does the dorsal rectus muscle of the eyeball originate and insert?
Origin: The rim of the optic foramen, deep in the orbit. Insertion: The sclera, above the cornea.
What nerve supplies the dorsal rectus muscle of the eyeball?
Oculomotor nerve.
What does the dorsal rectus muscle of the eyeball do?
Turns the eye upward.

See the dorsal rectus muscle of the eyeball 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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