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 crow is generally thought to be a symbol of bad luck and ill fortune native american indians believe that the crows black feathers is a symbol of death to the enemy crow symbol meaning the crow is defined as black birds having a raucous callthey belong to a group of birds known as passerines or perching birdsthey have a four toed foot three of the toes face forwards and the fourth one faces backwards enabling them to cling securely onto a branch or perchirds in this species include magpies jays rooks jackdaws and ravens crow symbol traits the bird is generally thought to be a symbol of freedom they can walk on the earth and swim in the sea as humans do but they also have the ability to soar into the sky