[Changes in conditioned reflexes and sexual cycle in rats of various ages under the influence of strong stimuli].
1961
M V PROPP
UI
MeSH Term
Description
Entries
D012018
Reflex
An involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
D003214
Conditioning, Classical
Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus.
The period in the ESTROUS CYCLE associated with maximum sexual receptivity and fertility in non-primate female mammals.
D000375
Aging
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
Senescence,Aging, Biological,Biological Aging
D000818
Animals
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.