AVT expression (no. of silver gra ins)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:So00 -
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parvo.
magno.
In this figure about AVT expression in African Cichlid fish, the black bars represent territorial
males and the white bars non-territorial males. Armed with the knowledge that these fish
show different territorial behavior (with territorial males showing higher levels of territorial
aggression) within the same environment, why does it make sense that there is a difference
in parvocellular vs magnocellular AVT expression in the POA (akin to the mammalian PVN)?
O parvocellular neurons secrete AVT that modulates the stress response and differences in territoriality
may relate to differences in stress responsivity
O peripheral AVT is unlikely to penetrate the blood brain barrier and affect brain regions to induce
complex behavior change
O magnocellular AVT neurons are involved in hydromineral balance and it is hard to understand why
they might differ in their AVT expression in animals in the same aquatic environment
none of the answers are correct
all answers are correct (except 'none of the answers are correct')
AVT expression (no. of silver gra ins)
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