From the outside toward the inside; in the direction from external to internal structures.
From Greek 'ekto-' (outside) + 'entad' (toward inside, from Latin 'intus'). This medical directional term describes the pathway of examination or treatment moving inward from the body's surface.
Doctors and anatomists use directional terms like 'ectoentad' as precise shortcuts—saying someone's cancer spread 'ectoentad' tells other doctors exactly which direction the disease traveled through tissue layers.
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