Titlebook: Respiratory Function in Birds, Adult and Embryonic; Satellite Symposium Johannes Piiper Conference proceedings 1978 Springer-Verlag Berlin

brassy

小木槌

experts in germline stem cells.Identification and regulationStem cells are responsible for maintaining tissue homeostasis. They possess unlimited self-renewal potency. Through asymmetric cell division, a stem cell in adult tissues can produce an offspring that will maintain the stem cell populations

Fatten

A. S. King,D. Zoe King,M. A. Abdallaell in adult tissues can produce an offspring that will maintain the stem cell populations and a daughter cell that will differentiate into various short-lived cell types to replace damaged or dying cells. Tumors may originate from a few transformed cancer stem cells. Stem cells have immense potenti

十字架

Cabinet

遍及

Oversee

General Morphological Principles of Amniotic Lungss. The increasing subdivision of the lung in different reptilian orders has led to an heterogeneously partitioned multicameral lung, which was independently developed in turtles, in monitor lizards, and in crocodiles..The rigid avian lung, which is the highest evolved form of a heterogeneously parti

AORTA

Ventilation Mechanisms: Problems in Evaluating the Transition to Birdsear to have been selected for low energy expenditure; both behavioral and ecological factors influence the patterns seen. Endothermy apparently involved tighter constraints and hence greater stereotypy.