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)
American crows don't reproduce until they are at least two years of age, most reproduce when they have reached the age of 4. The nests that crows make are often in a tall and sturdy tree. The nest building process takes about one to two weeks before its ready for use.When two crows have mated they remain with each other throughout the rest of their lives. The female crow can lay up to five eggs, each of which have a light green color.To help with incubation both the male and female crow sit on the eggs to keep them warm until they have hatched. The eggs hatch in 18 days and the baby crows will leave the nest anywhere from 35 days old to two months old.he Crow has long, pointed wings and its tail has a unique square shape. Crows are often mistaken for Ravens, the main difference between the two is that the Raven is larger in body size. Ravens also have their own unique tail and wing shape.