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Chemical signals in Animals - Chp. 42 - G. Wagner (Classes of hormones…
Chemical signals in Animals - Chp. 42 - G. Wagner
Rype / Ptarmigan
Svalbardrype
Veldig stor
Kan nesten ikke fly
Endrer kamuflasje ila året
Chemical signal
Things regulated by CS
Reproduksjon
Mark territory
Mood
Migration
Behaviour
Growth
Sleep
Hormones
Signaling molecules
Why
To keep ut homeostasis
Homeostasis
Uphold of physiological balance
Needs a receptor to be able to act
Communication between cells
Signaling
Types
Autocrine signaling
Synaptic signaling
Akson
Vesikler
Neuroendocrine signaling
Neurotransmission
Paracrene signaling
Endrocrine
understand what the words mean
Biology makes much more sense if you do
Importaint to distinguish between these
Show where the medication might work
Typers
Pheromones
Flehmen response
When you see someone sexy you open your mouth
Organ to detect feromones
The Vomeronasal Organ VNO
Classes of hormones
Hydrophilic
Lipophilic
Types
Soluble in water
Polypeptide
Soluble in lipids (fats)
Soluble in either or
Signaling cascade
Will ultemately effect the nucleus
Response pathways
Molecules that provide energy
ATP
GTP
G-protein coupled receptor
What is uses
What it does
Importaint words
Transcription
In the nucleus, from DNA to RNA
Translation
In the cytoplasm
From mRNA to protein
Where are hormones produced
Hypothalamus
Tells all the other glads what to do
At the "bottom" of the brain
Is technically speaking not a part of the brain
Pineal gland
Ertestørrelse hos mennesker
Har også fotoreseptorer
Fugler, fisk etc. kan se med toppen av hodet
Kan ikke se former, men kan se hvor mye lys det er
Fordi pineal gland ligger på toppen av hodet hos dem
Glands
Types
Endocrene
Exocrene
Tropic
Non Tropic
Stimulates the cells that are the end target
Types of hormones
Tyroid
A part of almost all processes in your body
e.g.
Metabolism
Heartrate
Blood pressure
Needs iodine to work
Gland
= Kjertel