The hypothalamus contains special cells called neurosecretory cellsâneurons that secrete hormones: 1  Thyrotropin-releasing hormone (TRH) 2  Growth hormone-releasing hormone (GHRH) 3  Growth hormone-inhibiting hormone (GHIH) 4  Gonadotropin-releasing hormone (GnRH) 5  Corticotropin-releasing hormone (CRH) 6  Oxytocin. 7  Antidiuretic hormone (ADH)
Meaning: Platform for a lookout at or near the top of a mast. Classified under: Nouns denoting man-made objects. Hypernyms (crow's nest is a kind of...): platform (a raised horizontal surface) Holonyms (crow's nest is a part of...): ship (a vessel that carries passengers or freight)
The Beijing National Stadium, principal venue of the 2008 Summer Olympics, has been nicknamed The Bird Nest because of its architectural design, which its designers likened to a bird's woven nest. In the Victorian era, naturalists often collected bird's eggs and their nests. The study of bird nests is called caliology.