Median bar of mercier
median bar of Mercier n.
A band of fibromuscular tissue encircling the interureteric ridge of the urinary bladder, which occasionally can obstruct the urinary tract.
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- Median groove of tongue
median groove of tongue n. A slight longitudinal depression that runs forward on the dorsal surface of the tongue. Also called longitudinal raphe of tongue, median longitudinal raphe of tongue.
- Median-lethal-dose
noun 1. the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 5 0. noun 1. the amount of a drug or other substance that, when administered to a group of experimental […]
- Median line
median line n.
- Median longitudinal raphe of tongue
median longitudinal raphe of tongue n. See median groove of tongue.
- Median nerve
median nerve n. A nerve that is formed by the union of the medial and lateral roots from the medial and lateral cords of the brachial plexus and supplies the muscular branches in the anterior region of the forearm and the muscular and cutaneous branches in the hand.