Adjective
Pertaining to, consisting of, or resembling, marrow or medulla.
Pertaining to the medula oblongata.
Filled with spongy pith; pithy.
Source: Webster's dictionaryA discovery of features in a Tyrannosaurus rex skeleton provided evidence of medullary bone in extinct dinosaurs and, for the first time, allowed paleontologists to establish the sex of a fossil dinosaur specimen. Source: Internet
A decrease in volume or pressure is a nonosmotic stimulus for antidiuretic hormone production in the hypothalamus, which exerts its effect in the medullary collecting duct for water reabsorption. Source: Internet
However, other studies have called into question some cases of medullary bone in dinosaurs, including this Allosaurus individual. Source: Internet
The gene AIRE is expressed by the thymic medullary epithelium, and drives the transcription of organ-specific genes such as insulin to allow maturing thymocytes to be exposed to a more complex set of self-antigens than is present in the cortex. Source: Internet
Kidney morphology, often indexed as the relative medullary thickness, is associated with habitat aridity among species of mammals, citation and diet (e. Source: Internet
Recent research has shown that medullary tissue is never found in crocodiles, which are thought to be the closest living relatives of dinosaurs, aside from birds. Source: Internet