hemorrhoidectomy
- n surgical procedure for tying hemorrhoids and excising them
hemosiderin
- n a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism
hemosiderosis
- n abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis
hemostasia
- n surgical procedure of stopping the flow of blood (as with a hemostat)
hemostasis
- n surgical procedure of stopping the flow of blood (as with a hemostat)
hemostat
- n a surgical instrument that stops bleeding by clamping the blood vessel
hemothorax
- n accumulation of blood in the pleural cavity (the space between the lungs and the walls of the chest)
hemp
- n a plant fiber
- n any plant of the genus Cannabis; a coarse bushy annual with palmate leaves and clusters of small green flowers; yields tough fibers and narcotic drugs
- n a rope that is used by a hangman to execute persons who have been condemned to death by hanging
hemp agrimony
- n coarse European herb with palmately divided leaves and clusters of small reddish-purple flower heads
hemp family
- n two genera of erect or twining herbs that are pollinated by the wind, including the genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae
hemp nettle
- n coarse bristly Eurasian plant with white or reddish flowers and foliage resembling that of a nettle; common as a weed in United States
hempen necktie
- n a rope that is used by a hangman to execute persons who have been condemned to death by hanging