[Ultrastructure of the thymus of the hedgehog (Erinaceus europaeus) during wakefulness, hibernation and various phases of reawakening].
1979
M B Cirri Borghi, and
R Arbi Riccardi
UI
MeSH Term
Description
Entries
D006364
Hedgehogs
The family Erinaceidae, in the order EULIPOTYPHLA. Most are true hedgehogs possessing a coat of spines and a very short tail. Those members of the family found in Southeast Asia (moonrats or gymnures) have normal body hair and a long tail.
Erinaceidae,Hedgehog
D006605
Hibernation
The dormant state in which some warm-blooded animal species pass the winter. It is characterized by narcosis and by sharp reduction in body temperature and metabolic activity and by a depression of vital signs.
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
D012621
Seasons
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.
Thymus,Gland, Thymus,Glands, Thymus,Thymus Glands
D014851
Wakefulness
A state in which there is an enhanced potential for sensitivity and an efficient responsiveness to external stimuli.