The density of tissues in and about the head.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001099:Arachnoid / Q000166:cytology; D001921:Brain / Q000166:cytology; D002102:Cadaver; D002490:Central Nervous System / Q000166:cytology*; D002536:Cerebral Arteries / Q000166:cytology; D002555:Cerebrospinal Fluid / Q000166:cytology; D003720:Densitometry; D004388:Dura Mater / Q000166:cytology; D005624:Frontal Bone / Q000166:cytology; D000882:Haplorhini; D006801:Humans; D008875:Middle Aged; D009777:Occipital Bone / Q000166:cytology; D010294:Parietal Bone / Q000166:cytology; D010841:Pia Mater / Q000166:cytology; D012535:Scalp / Q000166:cytology*; D012886:Skull / Q000166:cytology*; D013701:Temporal Bone / Q000166:cytology