期刊
GENERAL AND COMPARATIVE ENDOCRINOLOGY
卷 147, 期 2, 页码 93-101出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygcen.2005.12.011
关键词
avian; thyroid; development; adaptation; perchlorate
Precocial and altricial modes of avian development are characterized by different degrees of maturation and physiological capabilities at hatching. In precocial birds, thyroid function and its control are well developed during the latter part of incubation and hatchlings exhibit metabolic responses to cooling and relatively mature sensory and locomotor capabilities. In altricial birds, thyroid function shows little maturation until after hatch as also is the case for thermoregulatory, sensory, and motor functions. This review describes the patterns of precocial and altricial thyroid development, their hypothalamic-pituitary control, extrathyroidal control of hormone activation and deactivation, and target tissue effects during development. Our knowledge is greatest for precocial galliform birds although the organismal picture of thyroid development has been investigated in several altricial avian species. (c) 2006 Elsevier Inc. All rights reserved.
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