Information about Lateral Rectus Muscle
| Lateral rectus | ||
|---|---|---|
| Rectus muscles: 2 = superior, 3 = inferior, 4 = medial, 5 = lateral Oblique muscles: 6 = superior, 8 = inferior Other muscle: 9 = levator palpebrae superioris Other structures: 1 = Annulus of Zinn, 7 = Trochlea, 10 = Superior tarsus, 11 = Sclera, 12 = Optic nerve | ||
| Figure showing the mode of innervation of the Recti medialis and lateralis of the eye. | ||
| Latin | musculus rectus lateralis bulbi | |
| subject #227 1022 | ||
| Origin: | annulus of Zinn at the orbital apex | |
| Insertion: | 7 mm temporal to the limbus | |
| Artery: | ||
| Nerve: | abducens nerve | |
| Action: | abducts the eyeball (makes it move outwards) | |
| Dorlands/Elsevier | m_22/12550497 | |
- For the muscle of the neck, see Rectus capitis lateralis muscle
Additional images
Nerves of the orbit. Seen from above. | Horizontal section of the eyeball. | Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure. | ![]() |
External links
- LUC lr
- -66715569 at GPnotebook
- SUNY Figs 29:01-05
- Cranial Nerves at Yale 6-1
- lateral+rectus+muscle at eMedicine Dictionary
The superior rectus muscle is a muscle in the orbit. It is one of the extraocular muscles.
It is innervated by the superior division of the oculomotor nerve (Cranial Nerve III).
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It is innervated by the superior division of the oculomotor nerve (Cranial Nerve III).
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The inferior rectus muscle is a muscle in the orbit.
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Actions
It depresses, adducts, rotates laterally, and extorts the eye.Innervation
As with most of the muscles of the orbit, it is innervated by the oculomotor nerve (Cranial Nerve III)...... Click the link for more information.
The medial rectus muscle is a muscle in the orbit.
As with most of the muscles of the orbit, it is innervated by the inferior division of the oculomotor nerve (Cranial Nerve III).
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As with most of the muscles of the orbit, it is innervated by the inferior division of the oculomotor nerve (Cranial Nerve III).
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For the abdominal muscle see: External oblique muscle
The superior oblique muscle, or obliquus oculi superior, is a fusiform muscle in the upper, medial side of the orbit whose primary action is intorsion and whose secondary actions are to abduct (laterally
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The superior oblique muscle, or obliquus oculi superior, is a fusiform muscle in the upper, medial side of the orbit whose primary action is intorsion and whose secondary actions are to abduct (laterally
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The Obliquus oculi inferior (inferior oblique) is a thin, narrow muscle, placed near the anterior margin of the floor of the orbit.
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Action
Its actions are lateral rotation, elevation and abduction of the eye...... Click the link for more information.
The levator palpebrae superioris (or levator muscle of upper eyelid) is the muscle in the orbit that elevates the superior (upper) eyelid.
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Structure
The levator palpebrae superioris originates on the lesser wing of the sphenoid bone, just above the optic foramen...... Click the link for more information.
The annulus of Zinn, also known as the annular tendon, circle of Zinn-Haller or common tendinous ring, is a ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the orbit. It is the origin for five of the six extraocular muscles.
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The Trochlea of superior oblique is a pulley structure in the eye through which the superior oblique muscle passes.
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Additional images
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Tarsus (from the Greek ταρσός, for "flat basket") may refer to:
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- Tarsus (skeleton), the skeletal region between the tibia and fibula and the metatarsus
- Tarsus (eyelids)
- The final segment of an arthropod leg
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The sclera is the opaque (usually white), fibrous, protective layer of the eye containing collagen and elastic fibers.[1] In children, it is thinner and shows some of the underlying pigment, appearing slightly blue.
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Optic Nerve may be a reference to:
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- Optic nerve, the anatomical structure;
- Optic Nerve (comic), the comic book series;
- Optic Nerve (1998), the seminal release from the Irish hip hop act known as Exile Eye; or
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Latin}}}
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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bold refer to the diagram at right.)
In the skull (8):
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In the skull (8):
- 1-9. cranium
- 7. mandible
- malleus
- incus
- stapes
- hyoid
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The annulus of Zinn, also known as the annular tendon, circle of Zinn-Haller or common tendinous ring, is a ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the orbit. It is the origin for five of the six extraocular muscles.
..... Click the link for more information.
..... Click the link for more information.
bold refer to the diagram at right.)
In the skull (8):
..... Click the link for more information.
In the skull (8):
- 1-9. cranium
- 7. mandible
- malleus
- incus
- stapes
- hyoid
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Limbus may refer to:
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- Limbus (ethnic group), an ethnic group in Asia
- Corneal limbus
- Limbus (band), a Swedish punk rock band
- Limbo, the temporary status of the souls of good persons who died but did not go to Heaven
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Arteries are muscular blood vessels that carry blood away from the heart.[1] All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.
The circulatory system is extremely important for sustaining life.
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The circulatory system is extremely important for sustaining life.
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- Accessory nerve
- Accessory obturator nerve
- Alderman's nerve
- Anococcygeal nerve
- Ansa cervicalis
- Anterior interosseous nerve
- Anterior superior alveolar nerve
- Aortic plexus
- Auerbach's plexus
- Auriculotemporal nerve
- Axillary nerve
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The abducens nerve (the sixth cranial nerve, also called the sixth nerve or simply VI) is a motor nerve (a “somatic efferent” nerve) that controls the movement of a single muscle, the lateral rectus muscle of the eye.
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Kinesiology is the scientific study of the anatomy, physiology, and mechanics of body movement, especially in humans. [1] The word kinesiology is derived the Greek "kinesis" (motion) + the suffix -ology or -logy from the greek "logos" or "logia"(meaning a field of study).
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Abduction, in functional anatomy, is a movement which draws a limb away from the median (Sagittal) plane of the body. It is thus opposed to adduction.
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Muscles of abduction
Upper limb
the coming together of two bones attached by a joint laterally..... Click the link for more information.
Eyes are organs of vision that detect light. Different kinds of light-sensitive organs are found in a variety of organisms. The simplest eyes do nothing but detect whether the surroundings are light or dark, while more complex eyes can distinguish shapes and colors.
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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- For the muscle of the eye, see Lateral rectus muscle
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MUSCLE (multiple sequence comparison by log-expectation) is public domain, multiple sequence alignment software for protein and nucleotide sequences.
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In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated.
It can also mean the skin which surrounds the eye of a bird.
In the adult human, the volume of the orbit is 30 ml, of which the eye occupies 6.5 ml.
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It can also mean the skin which surrounds the eye of a bird.
In the adult human, the volume of the orbit is 30 ml, of which the eye occupies 6.5 ml.
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extraocular muscles are the six muscles that control the movements of the eye. The actions of the extraocular muscles depend on the position of the eye at the time of muscle contraction.
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A nerve is an enclosed, cable-like bundle of axons (the long, slender projection of a neuron). Neurons are sometimes called nerve cells, though this term is technically imprecise since many neurons do not form nerves, and nerves also include the glial cells that
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The abducens nerve (the sixth cranial nerve, also called the sixth nerve or simply VI) is a motor nerve (a “somatic efferent” nerve) that controls the movement of a single muscle, the lateral rectus muscle of the eye.
..... Click the link for more information.
..... Click the link for more information.
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