BIOLOGY 3UU3 Lecture Notes - Master Clock, Clock Signal, Waggle Dance

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Published on 20 Apr 2013
School
McMaster University
Department
Biology
Course
BIOLOGY 3UU3
Professor
Readings for Midterm Question or two per article. Up to but not including
Genetic for studying energy balance. Up to 157.
Broad general concept, important aspect.
MCQ, fill in the blanks!
Figure 10-12
Organization of organisms is traces to the functions of central plots
Vertebrates traces to microprocesses where all the allocation aspects
are, all take place in a very small primitive region fo the brain called
hypothalamus
Hypothalamus different nuclei.
Top diagram hypothalamus connected directly to pituitary.
Median amenam ?
Very highly conserved aspects
Neuroendocrine Allocation Regulation: Hypothalamic Microprocessor
Regions with neuronal body for secretion of hormones as well as the inter
neurons connecting things up
Major things poituitary gland
Clock needed for signaling
The PVN main site for stress hormone access
The central clock is the master clock of the body but a lot of what it does is
carry the stress hormone. By regulating adrenal outpit, clock talks to rest
of the tissues through the stress hormone access.
Growth hormone access float a bit more, doesn’t have quiet the same
type of connections, has some homeostatic ability
ARC growth hormone regulatory center.
Negative interaction between PVB and Arc nucleus will find sub nuclei,
are antaingosit. Some nuclei hooked up to the PVN.
Feeding regulation archaic nucleus in regulation of food intake
Microprocessor runs all processes of body
All control systems for regulation, food deposition, sleeping, various kinds
of blood pressures, all are controlled by the hypothalamus. All decisions
get made here
Figure 5.24
Clock hooked up to the life cycle, allows the organism to spaceship itself
so its in line with the day and night cycle
Need to have light sensors, so it will be retina of the eye. Actual sensors
for the clock don’t see light, don’t transmit vision. Transmit particular
wavelength but not involved in visual process. Have particular subset of
retinal systems dedicated to clock system. Thos sisngla stransmitted
through retina retinohypothalamic track goes directly to the
hypothalamus
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Document Summary

Readings for midterm question or two per article. Organization of organisms is traces to the functions of central plots. Vertebrates traces to microprocesses where all the allocation aspects are, all take place in a very small primitive region fo the brain called hypothalamus. Top diagram hypothalamus connected directly to pituitary. Regions with neuronal body for secretion of hormones as well as the inter neurons connecting things up. The pvn main site for stress hormone access. The central clock is the master clock of the body but a lot of what it does is carry the stress hormone. By regulating adrenal outpit, clock talks to rest of the tissues through the stress hormone access. Growth hormone access float a bit more, doesn"t have quiet the same type of connections, has some homeostatic ability. Negative interaction between pvb and arc nucleus will find sub nuclei, are antaingosit. Feeding regulation archaic nucleus in regulation of food intake. Microprocessor runs all processes of body.

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