Maybe the biggest disjoint between textbook human evolution and real data concerns the connection between the base of the skull and bipedal locomotion. A new study in once again finds that foramen magnum position doesn't predict posture. https://t.co/Nc7WOzomLQ

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"Orientation rather than position of the foramen magnum is pivotal for obligate bipedal species. The variability of most indices of foramen magnum position likely depends on evolutionary trends other than locomotion" https://t.co/nscuQWljQo

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Kocher’s point maximizes chances of safe placement of an external ventricular drain. A key step is to drill the burr hole and place the catheter perpendicular to the skull, with the catheter aimed toward the foramen of Monro.

https://t.co/dU3x8QyDy3

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29. When CSF passes through the foramen of Luschka this results in filling of the subarachnoid space of the cisterns and the cerebral cortex.. the level at which CSF enters the subarachnoid space is called the cerebellomedullary cistern!

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Australopithecus boisei was so romantic 1.6 million years ago, that its spinal cord exited the skull through a heart-shaped foramen magnum

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A transcondylar approach w/ C1 hemilaminectomy for approaching a foramen magnum The relationship between the vertebral artery and tumor is important. Most such tumors can be resected via a lateral suboccipital approach without a condylectomy.

https://t.co/TzVD3mfYlj

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During the telovelar approach, the foramen magnum is unroofed & burr holes are placed on either side of the midline keel.The tonsils, vermis, & medial cerebellar hemispheres are exposed. Patent occipital sinuses can cause brisk bleeding.



https://t.co/Gcl58A4kWM

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What skull base foramen is this? What passes through it?

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A descending thoracic vertebral artery (VA) is a variant branching from the VA & passing into the last transverse foramen.
An ascending thoracic VA branches from the aorta & anastomoses with the VA.
Both may supply spinal branches or malformations. https://t.co/jHv3j0HDV1

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Leonardo (1530-1587) is above all known for the description of the so-called Botallo's duct and Botallo's foramen, in fact already known before him, but which he had the merit of having brought to the attention of scholars.

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Nova sessió del 2n Cicle FAST TALKS el pròxim dimecres 31/10 a les 19.30h al amb la Vega Hernando i el seu projecte Eating Patterns. Us esperem al c/ Girona 68 de Barcelona / Entrada lliure però aforament limitat 🙌🏼🙌🏼🙌🏼
>> https://t.co/lNKdm7YhEd

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Bovine Vertebra Anatomy
These images are of a bovine cervical vertebra; the transverse foramen and short spinous process are key anatomical identifiers for the group of cervical vertebrae.

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Any idea which muscle passes through the lesser sciatic foramen?

(Solution and more here: https://t.co/9YoEo83c6s)

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What's the name of this foramen and do you know which structure runs inside of it?

https://t.co/wakU7c2B8M

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Do you know the foramen highlighted in green here?

Solution: https://t.co/2MCchW12TA

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Do you know the name of this foramen? Which muscles originate here?

Answer: https://t.co/4k0c1XGOfW

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NEJM series on Stroke – Patent Foramen Ovale: close, or not to close? https://t.co/qA8G4gTi76

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Do you know the foramen highlighted in green here?

Solution: https://t.co/bDGY5B2IHJ

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Do you know the name of this foramen? Which muscles originate here?

Answer: https://t.co/4k0c1XGOfW

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Giant glomus vagale tumor (vagal paraganglioma) invading jugular foramen and cerebellopontine angle with preop… https://t.co/TMkFVMnZuQ

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