You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Trauma to this marked area usually results in what type of hemorrhage and explain in detail?
The marked region is pterion, deep to which runs the anterior division of middle meningeal aery, which might bleed in fractures of the region, leading to Epidural (extradural) haemorrhage. Pterion is meeting point of 4 bones Frontal Parietal Greater wing of sphenoid Squamous pa of temporal bone Additional points: Pterion is the site of entrance to cranial cavity in craniotomy to remove the extradural haematoma The stem of lateral (syln) sulcus on cerebrum lies lie deep to the pterion.