Mindblown: a blog about philosophy.
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Periodontal ligament space
A radiolucent space that appears on a dental radiograph between the tooth and the adjacent lamina dura. The space is occupied by the periodontal ligament, which lacks the density to be radiopaque.
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Perforated space
The space pierced by blood vessels at the base of the brain.
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Parasinoidal space
Lateral spaces in the dura mater adjacent to the superior sagittal sinus that receive meningeal and diploic veins.
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Palmar space
The midpalmar and thenar spaces of the hand.
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Medullary space
The marrow-containing area of cancellous bone.
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Loose space
A distensible lung interstitial tissue surrounding the acinus and terminal bronchioles.
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Intervillous space
Any area of the maternal side of the placenta where transfer of maternal oxygen, nutrients, and fetal wastes occurs.
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Interradicular space
The area between the roots of a multirooted tooth, which contains an alveolar bony septum and the periodontal ligament.
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Circumlental space
The space between the equator of the lens and the ciliary body.
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Anatomical dead space
The area in the trachea, bronchi, and air passages containing air that does not reach the alveoli during inspiration and is not involved in gas exchange.
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