Making the world better, one answer at a time. The 21st Amendment to the United States Constitution was passed, repealing the 18th Amendment, which outlawed trafficking in 'intoxicating liquors.' The 21st Amendment was passed in order to undo the 18th Amendment.In short, a constitutional amendment, or any law, is repealed when it is found unconstitutional.he 18th Amendment was a departure from this, and took away rights from the states and from U.S. citizens. As such, it was an inappropriate amendment, and should never have been ratified, being contrary to the spirit of the constitution itself.
Thyroid - histology - follicular epithelial cells. - usually simple cuboidal cells with microvilli but varies with activity. Thyroid - histology - follicular epithelial cells (activity) The height of the epithelium ranges from simple squamous to simple columnar depending on activity.
Definition of Hair follicle. Hair follicle: A sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells derived from the epidermal (outside) layer of the skin. Each follicle normally goes through a five-year cycle of growth and rest, with about 90% of the follicles growing hair at any one time, averaging about six inches (15 cm) of growth per year. Derived from the Latin word follis, for bag. The human hair follicle is a dynamic structure that generates hair through a complex and exquisitely regulated cycle of growth and remodelling governed by numerous genes, Siobhn A. Jordan has noted in Molecular Medicine Today.