Level 2
Level 1

Directions and Planes


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Superior
Directional term meaning 'above'; closer to the top of the head.
Inferior
Directional term meaning 'below; closer to the feet.
Lateral
Directional term meaning away from the vertical midline.
Medial
Directional term meaning towards the vertical midline.
Anterior
Directional term meaning towards the front.
Posterior
Directional term meaning towards the back.
Proximal
Directional term meaning towards the trunk (of a limb). Also means closer to the beginning of an anatomical tube (like a blood vessel or the gut).
Distal
Directional term meaning towards the periphery (of a limb). Also means closer to the end of an anatomical tube (like a blood vessel or the gut)
Superficial
Directional term meaning towards the surface.
Transverse
The horizontal 'cross-section' plane.
Frontal
The plane dividing anterior and posterior.
Sagittal
The plane dividing left and right.
Midsagittal
A sagittal bisection in the midline of an entire body.
Median
A sagittal bisection of a single organ
Dorsal
Directional term used in neurology and development (and to apply to the hands and feet), meaning posterior
Ventral
Directional term used in neurology and development (and to apply to the hands and feet), meaning anterior
Rostral
Directional term used in neurology and development, meaning superior
Caudal
Directional term used in neurology and development, meaning inferior
Luminal
Directional term meaning towards or in the internal face of an anatomical tube like the gut
Anatomical position
The posture of standing straight with palms forward and arms at sides, according to which body regions are related to one another by convention