Question

On susceptibility weighted imaging sequences, this structure’s posterior portion normally resembles a swallow’s tail. On an axial view, this structure separates the red nucleus from the peduncle. This structure closely corresponds to the rodent A9 cell group. This structure both stimulates the direct pathway [emphasize] and inhibits the indirect pathway (15[1])through projections that synapse onto the medium spiny neurons of the dorsal (*) striatum. (10[1])MPTP destroys the cells in this structure’s (10[1])pars compacta responsible (10[1])for producing a molecule whose deficiency can cause cogwheel rigidity and a shuffling gait. (10[2])The characteristic (10[1])appearance of this portion of the basal ganglia (10[1])results from high levels of neuromelanin. For 10 points, the depletion of what structure’s dopaminergic neurons characterizes Parkinson’s disease, and causes it to lose its “black” appearance? (-5[1])■END■ (10[2]0[1])

ANSWER: substantia nigra [accept substantia nigra pars compacta or substantia nigra pars reticulata; prompt on basal ganglia until read]
<Itamar Naveh-Benjamin, Biology>
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Summary

2023 Chicago Open08/05/2023Y10100%10%10%85.60

Buzzes

PlayerTeamOpponentBuzz PositionValue
Billy BusseBHSUThe Plague (anime)" was redirected to: "Oran High School Host Club4915
Andrew WangThe anti-STOON-dahl cabal (the tall Keyal et al.)The Catastrophic Implosion of Packet Sub6210
Eric MukherjeeCurse you, Periplus the Platypus!Romanos IV Diogenes’ Macaroni Grill6910
Richard YuI would prefer not toIn Search of Things Past7210
Connor BlakeI prefer really not to speak. If I speak I’m in big troubleEvans Hall destruction awaiters8610
Shahar SchwartzSaint Peter Andre 3000Team Name Think Detail8610
Mazin OmerDon't be Afraid, the Clown's Afraid TooHang et al., Robert Browning8810
Jerry VinokurovTeach Us to Outgrow Our Ladnessremembrance of lost time9610
Rein OtsasonThe Canadianswave2: trimming membership codes 9655377758gp123-5
Vincent DuQuasicrystal Silence[moderator voice] yes that is so tenpointscore! is your team feeling bonuspilled?12410
Conor Thompson[moderator voice] yes that is so tenpointscore! is your team feeling bonuspilled?Quasicrystal Silence1240
Eric Bobrowwave2: trimming membership codes 9655377758gpThe Canadians12410