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17 Cards in this Set
- Front
- Back
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What is the superior wall of the orbit?
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frontal bone (frontal sinus)
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What is the medial wall of the orbit?
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lacrimal bone
palatine bone ethmoid bone (ethmoid sinus) |
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What is the inferior medial wall of the orbit?
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maxilla bone (maxilla sinus)
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What is the inferior lateral wall of the orbit?
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zygomatic bone (temporalis muscle)
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What is the posterior lateral wall of the orbit?
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greater wing of sphenoid
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What are the openings in the orbit?
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optic canal
superior orbital fissure inferior orbital fissure anterior and posterior ethmoidal foramina infraorbital groove |
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What structure(s) does the optic canal transmit?
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optic nerve
opthalmic artery |
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What structure(s) does the superior orbital fissure transmit?
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CNs III, IV, VI and V1 (frontal and lacrimal brances), superior ophthalmic vein
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What structure(s) does the inferior orbital fissure transmit?
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inferior ophthalmic vein
branches of V2 |
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The 'ANTERIOR PITUITARY' produces/secretes '8 hormones'. What are the hormones?
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1. FSH (FOLLICLE STIMULATING HORMONE)
2. LH (LUTEINIZING HORMONE) 3. ACTH (ADRENOCORTICOTROPIC HORMONE) 4. TSH (THYROID STIMULATING HORMONE) 5. PRL (PROLACTIN or Luteotropin) 6. Beta-endorphins 7. GH (GROWTH HORMONE) 8. MSH (MELANOCYTE STIMULATING HORMONE) |
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What structure(s) does the infraorbital grrove transmit?
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passage for infraorbital nerve
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What are the intraorbital arteries of the orbit?
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ophthalmic artery
central retinal artery lacrinal artery post ciliary branches muscular branches |
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What are the extraorbital branches of the orbit?
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ethmoidal branches
supraorbital artery supratrochlear artery dorsal nasal artery |
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Which superficial nerves provide motor innervation for the orbit?
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CN IV
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Which superficial nerves provide sensory innervation for the orbit?
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CN V1 (frontal, supraorbital, supratrochlear)
Lacrimal n. |
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Which deep nerves provide motor innervation for the orbit?
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CN VI
CN III (motor fibers to all EO muscles except superior oblique and lateral rectus) |
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Which deepl nerves provide sensory innervation for the orbit?
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Nasociliary (branch off V1)
long ciliary nerves (to cornea) anterior and posterior ethmoidal nerves infratrochlear nerves (continuation of nasociliary) |
