Homeostasis and Homeostatic Regulation WEEK 1

A collection of vocabulary flashcards related to homeostasis and its regulation mechanisms as described in the lecture notes.

Homeostasis

The maintenance of a stable internal environment within a normal range.

Homeostatic regulation

Adjustment of physiological processes to preserve homeostasis.

Autoregulation

Adjustment in response to a local environmental change.

Extrinsic regulation

Adjustment in response to an environmental change involving the nervous and endocrine systems.

Receptor

A sensor that detects a particular stimulus or environmental change.

Control centre

Receives and processes information from the receptor and sends commands to the effector.

Effector

A cell or organ that responds to commands from the control centre.

Negative feedback

A mechanism that opposes or negates the original stimulus to maintain homeostasis.

Positive feedback

A mechanism that amplifies or enhances the original change in conditions.

Homeostatic imbalance

A disturbance in homeostasis that can lead to malfunction of an organ system.

Disorder

A disturbance or abnormality of function that indicates incomplete health.

Disease

Specific term reserved for the characteristic features of a particular pathophysiological condition.