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In philosophy of science and epistemology, the demarcation problem is the question of how to distinguish between science and non-science. [1] It also examines the boundaries between science, pseudoscience and other products of human activity, like art and literature and beliefs.
Demarcation is the act of creating a boundary around a place or thing.. Demarcation may also refer to: . Demarcation line, a temporary border between the countries; Demarcation problem, the question of which practices of doing science permit the resulting theories to lie within the boundaries of knowledge
Ulegyria is a diagnosis used to describe a specific type of cortical scarring in the deep regions of the sulcus that leads to distortion of the gyri.Ulegyria is identified by its characteristic "mushroom-shaped" gyri, in which scarring causes shrinkage and atrophy in the deep sulcal regions while the surface gyri are spared. [1]
Dentate gyrus granule cell dispersion refers to a granule cell layer that is widened, poorly demarcated, or accompanied by granule cells outside the layer (ectopic granule cells). [29]: 1318 In the normal brain, dentate granule cells block seizure spread from entorhinal cortex to the hippocampus. [27]
Dentate gyrus granule cell dispersion refers to a granule cell layer that is widened, poorly demarcated, or accompanied by granule cells outside the layer (ectopic granule cells). [ 1 ] : 1318 Although this pattern was thought to be linked to hippocampal sclerosis, a comparative study has shown this association is not correct as the same ...
(A)Lymphoepitelioma-like carcinoma: Poorly differentiated cells (red arrow) arranged in solid nests, tubules and trabeculae with poorly demarcated, infiltrative margins; intratumoral lymphoid infiltrate is extremely abundant. (B) Cribiform comedo-type carcinoma: Cribriform gland (yellow arrow) with central necrosis comedo-like (yellow asterisk).
focally large germinal centres, with poorly demarcated germinal centre (GC)/mantle zone interfaces (as GCs infiltrated by mantle zone lymphocytes), and;
Fishermen have been forced to fish near the border as a result of destruction of ecosystems elsewhere in the delta. Because the boundaries between India and Pakistan are poorly demarcated in some areas (e.g. Sir Creek), fishermen often don't know when they've crossed the border. NGOs say that under Indian laws, fisherman can face, at most ...