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Video: Endocrine System Lesson
Video: Endocrine System Lesson
Objectives:
Objectives:
Articulate your current understanding of the function of hormones.
Articulate your current understanding of the function of hormones.
Develop a basic understanding of endocrine system.
Develop a basic understanding of endocrine system.
Research how hormonal imbalance can affect an individual.
Research how hormonal imbalance can affect an individual.
The Endocrine System: Product of Evolution
The Endocrine System: Product of Evolution
Single Celled Simplicity
Single Celled Simplicity
Maintains homeostasis by independently performing all life functions (eating, reproduction, moving, excreting waste)
Maintains homeostasis by independently performing all life functions (eating, reproduction, moving, excreting waste)
Multicellural Complexity
Multicellural Complexity
Specialized cells that must communicate to maintain homeostasis and coordinate activity.
Specialized cells that must communicate to maintain homeostasis and coordinate activity.
One way these specialized cells communicate:
One way these specialized cells communicate:
HORMONES
HORMONES
Endocrine System
Endocrine System
Endocrine Network
Endocrine Network
Each part of the endocrine system excretes hormones that travel through the bloodstream and deliver messages
Each part of the endocrine system excretes hormones that travel through the bloodstream and deliver messages
Processes under endocrine control:
Processes under endocrine control:
Developmental & Homeostasis (response to environment)
Developmental & Homeostasis (response to environment)
water balance
water balance
metabolism
metabolism
response to environmental stress
response to environmental stress
reproduction
reproduction
growth
growth
Types of Hormones
Types of Hormones
Protein (kinda)
Protein (kinda)
Most hormones are amino acid based hormones.
Most hormones are amino acid based hormones.
They can range from simple modified amino acids to polypeptides to proteins.
They can range from simple modified amino acids to polypeptides to proteins.
They are hydrophilic (water-loving) so they move through the blood stream quickly, but...
They are hydrophilic (water-loving) so they move through the blood stream quickly, but...
They can't enter cells easily; must rely on receptors on the cell.
They can't enter cells easily; must rely on receptors on the cell.
Fat
Fat
(actually more like cholesterol)
(actually more like cholesterol)
More commonly known as STEROIDS
More commonly known as STEROIDS
Gonadal (sex) hormones and adrenocortical (stress) hormones are the only steroid ones.
Gonadal (sex) hormones and adrenocortical (stress) hormones are the only steroid ones.
Hydrophobic (water-fearing) so they move through the blood stream slowly (they actually hitch a ride), but...
Hydrophobic (water-fearing) so they move through the blood stream slowly (they actually hitch a ride), but...
They can effectively penetrate a cell without reliance on a receptor.
They can effectively penetrate a cell without reliance on a receptor.
Endocrine Cascade
Endocrine Cascade
Does Testosterone Increase Aggression?
Does Testosterone Increase Aggression?
Homework: Read the Following
Homework: Read the Following
Endocrine System Basics Supplemental
Endocrine System Basics Supplemental
Endocrine System and Behavior - MCAT Preparation Lect
Endocrine System and Behavior - MCAT Preparation Lect
Introduction to Endocrinology for Neuroscience: Stanford Teaching Assistant Lecture
Introduction to Endocrinology for Neuroscience: Stanford Teaching Assistant Lecture
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