| D007279 |
Injections, Subcutaneous |
Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin. |
Subcutaneous Injections,Injection, Subcutaneous,Subcutaneous Injection |
|
| D008297 |
Male |
|
Males |
|
| D010919 |
Placebos |
Any dummy medication or treatment. Although placebos originally were medicinal preparations having no specific pharmacological activity against a targeted condition, the concept has been extended to include treatments or procedures, especially those administered to control groups in clinical trials in order to provide baseline measurements for the experimental protocol. |
Sham Treatment |
|
| D011627 |
Puberty |
A period in the human life in which the development of the hypothalamic-pituitary-gonadal system takes place and reaches full maturity. The onset of synchronized endocrine events in puberty lead to the capacity for reproduction (FERTILITY), development of secondary SEX CHARACTERISTICS, and other changes seen in ADOLESCENT DEVELOPMENT. |
Puberties |
|
| D002369 |
Castration |
Surgical removal or artificial destruction of gonads. |
Gonadectomy,Castrations,Gonadectomies |
|
| D003423 |
Critical Period, Psychological |
A specific stage in animal and human development during which certain types of behavior normally are shaped and molded for life. |
Critical Period, Psychology,Critical Periods, Psychological,Critical Periods, Psychology,Period, Psychological Critical,Period, Psychology Critical,Psychological Critical Period |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000367 |
Age Factors |
Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. |
Age Reporting,Age Factor,Factor, Age,Factors, Age |
|
| D000374 |
Aggression |
Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism. |
Aggressions |
|
| 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. |
Animal,Metazoa,Animalia |
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