a vertical plane that divides an organism into symmetrical halves.
median plane n.
A vertical plane along the midline of the body dividing the body into right and left halves. Also called midsagittal plane.
- Median rhinoscopy
median rhinoscopy n. Examination of the roof of the nasal cavity and openings of the posterior ethmoidal cells and sphenoidal sinus using a long-bladed nasal speculum or a nasopharyngoscope.
- Median sacral vein
median sacral vein n. An unpaired vein that accompanies the middle sacral artery and empties into the left common iliac vein.
- Median rhomboid glossitis
median rhomboid glossitis n. A congenital disorder of the tongue characterized by a rhomboid or ovoid, sometimes elevated red area in the dorsal midline, just anterior to the vallate papillae, that lacks lingual papillae.
noun 1. a paved, planted, or landscaped strip in the center of a highway that separates lanes of traffic going in opposite directions. noun 1. the US term for central reserve