Hormones
links: reference: https://www.selftestable.com/ 4-11-2021
Hormones #
There are four types:
- Peptide Hormone: Short chains of linked amino acids. They are made of amines, peptides, and proteins.
- Protein: Kind of a subtype of peptides.
- Amine: Amino Acid with modified groups.
- Those derived from Tyrosine are further divied into Catecholamine and thyroid hormones. T3/T4 are steroids.
- Peptides act on the Membrane.
- Steroid: derived from Cholesterol.
- Steroids act intracellularly.
- Steroids act intracellularly.
Excretion #
- Degrading enzymes, kidneys, and liver.
Signaling #
Autocrine: A cell targets itself with its own production. Paracrine: A cell targets a nearby cell. Occurs in membranes/gap junctions/etc. Endocrine: A cell targets a distant cell through the bloodstream.