| left | a turn toward the side of the body that is on the north when the person is facing east, take a left at the corner |
| brain surgery | any surgical procedure involving the brain |
| split-brain technique | brain surgery on animals in which the corpus callosum (and sometimes the optic chiasm) is severed so that communication between the cerebral hemispheres is interrupted |
left field
leftfield | the fielding position of the player on a baseball team who is expected to field balls in the left third of the outfield (looking from home plate) |
| brain drain | depletion or loss of intellectual and technical personnel |
| brain coral | massive reef-building coral having a convoluted and furrowed surface |
checkroom
left-luggage office | a room where baggage or parcels are checked |
left field
leftfield
left | the piece of ground in the outfield on the catcher's left, the batter flied out to left |
left-handedness
sinistrality | preference for using the left hand |
| left coronary artery | arises from the left aortic sinus, supplies the left side of the heart |
left gastric artery
arteria gastrica sinistra | a branch of the celiac artery that supplies the lesser curvature of the stomach and the abdominal part of the esophagus |
left gastric vein
vena gastrica sinistra | arises from a union of veins from the gastric cardia, runs in the lesser omentum, empties into the portal vein |
oblique vein of the left atrium
vena obliqua atrii sinistri | a tributary of the coronary sinus, on the posterior wall of the left atrium |
posterior vein of the left ventricle
vena posterior ventriculi sinistri | arises near the apex of the heart and empties into the coronary sinus |
| left ventricle | the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta |
left atrium
left atrium of the heart
atrium sinistrum | the left upper chamber of the heart that receives blood from the pulmonary veins |
mitral valve
bicuspid valve
left atrioventricular valve | valve with two cusps, situated between the left atrium and the left ventricle |
| brain cell | a nerve cell in the brain |
left hemisphere
left brain | the cerebral hemisphere to the left of the corpus callosum that controls the right half of the body |
right hemisphere
right brain | the cerebral hemisphere to the right of the corpus callosum that controls the left half of the body |
rhinencephalon
olfactory brain | a center in the cerebral hemispheres that governs the sense of smell in lower animals, in humans it seems to mediate complex emotional behavior |
brain
encephalon | that part of the central nervous system that includes all the higher nervous centers, enclosed within the skull, continuous with the spinal cord |
limbic system
visceral brain
limbic brain | a system of functionally related neural structures in the brain that are involved in emotional behavior |
brainstem
brain-stem
brain stem | the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus |
left
left hand | the hand that is on the left side of the body, jab with your left |
mind
head
brain psyche
nous | that which is responsible for one's thoughts and feelings, the seat of the faculty of reason, his mind wandered, I couldn't get his words out of my head |
brain
brainpower
learning ability
mental capacity
mentality
wit | mental ability, he's got plenty of brains but no common sense |
| brain science | the branch of neuroscience concerned with the brain |
riddle
conundrum
enigma
brain-teaser | a difficult problem |
| brain | the brain of certain animals used as meat |
| calf's brain | the brain of a calf eaten as meat |
kitchen cabinet
brain trust | an inner circle of unofficial advisors to the head of a government |
left
left wing | those who support varying degrees of social or political or economic change designed to promote the public welfare |
| left | location near or direction toward the left side, i.e. the side to the north when a person or object faces east, she stood on the left |
stage left
left stage | the part of the stage on the actor's left as the actor faces the audience |
Left Bank
Latin Quarter | the region of Paris on the southern bank of the Seine, a center of artistic and student life |
| blood-brain barrier | a mechanism that creates a barrier between brain tissues and circulating blood, serves to protect the central nervous system, the brain was protected from the large molecules of the virus by the blood-brain barrier |
backroom boy
brain truster | an expert adviser involved in making important decisions but usually lacking official status |
brainworker
brain-worker | someone whose profession involves using his head to solve problems |
genius
mastermind brain
brainiac
Einstein | someone who has exceptional intellectual ability and originality, Mozart was a child genius, he's smart but he's no Einstein |
left-handed pitcher
left-hander left hander
lefthander
lefty southpaw | a baseball pitcher who throws the ball with the left hand |
left-hander
lefty
southpaw | a person who uses the left hand with greater skill than the right, their pitcher was a southpaw |
neurologist
brain doctor | a medical specialist in the nervous system and the disorders affecting it |
neurosurgeon
brain surgeon | someone who does surgery on the nervous system (especially the brain) |
| left fielder | the person who plays left field |
collectivist
leftist
left-winger | a person who belongs to the political left |
brainwave
brain wave
cortical potential | (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph |
brain death
cerebral death | death when respiration and other reflexes are absent, consciousness is gone, organs can be removed for transplantation before the heartbeat stops |
Gyromitra esculenta
brain mushroom
beefsteak morel | a poisonous gyromitra, the surface of the fertile body is smooth at first and becomes progressively undulating and wrinkled (but never truly pitted), color varies from dull yellow to brown |
| left-handedness | the status of being born of a morganatic marriage |