The taking of a blood sample to determine its character as a whole, to identify levels of its component cells, chemicals, gases, or other constituents, to perform pathological examination, etc.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001158
Arteries
The vessels carrying blood away from the heart.
Artery
D012535
Scalp
The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL).