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Asymmetry in the Sylvian fissure (also known as the lateral sulcus), which separates the frontal and parietal lobes from the temporal lobe, was one of the first incongruencies to be discovered. Its anatomical variances are related to the size and location of two areas of the human brain that are important for language processing, Broca's area ...
This development section covers changes in brain structure over time. It includes both the normal development of the human brain from infant to adult and genetic and evolutionary changes over many generations. Neural development in humans; Neuroplasticity – changes in a brain due to behavior, environment, aging, injury etc.
The adult human brain weighs on average about 1.2–1.4 kg (2.6–3.1 lb) which is about 2% of the total body weight, [2] [3] with a volume of around 1260 cm 3 in men and 1130 cm 3 in women. [4] There is substantial individual variation, [ 4 ] with the standard reference range for men being 1,180–1,620 g (2.60–3.57 lb) [ 5 ] and for women ...
Reference ranges for ions and metals in CSF [1] Substance Lower limit Upper limit Unit Corresponds to % of that in plasma [clarification needed] Osmolality: 280 [1] 300 [1] mmol/L Sodium: 135 [1] 150 [1] mmol/L Potassium: 2.6 [1] 3.0 [1] mmol/L Chloride: 115 [1] 130 [1] mmol/L >100% [1] Calcium: 1.00 [1] 1.40 [1] mmol/L ~50% [1] Magnesium: 1.2 ...
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
Normal. Less than 120 and. Less than 80. Elevated. 120-129 and. Less than 80. Stage 1 Hypertension. 130-139 or. 80-89. Stage 2 Hypertension. 140 or higher or. 90 or higher. Hypertensive crisis ...
Blood pressure is recorded as two readings: a higher systolic pressure, which occurs during the maximal contraction of the heart, and the lower diastolic or resting pressure. [11] In adults, a normal blood pressure is 120/80, with 120 being the systolic and 80 being the diastolic reading. [12]
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