mouse TS23
embryo
cavities and their linings
limb
mesenchyme
vertebral axis muscle system
organ system
gland
visceral organ
alimentary system
liver and biliary system
renal/urinary system
associated mesenchyme
bladder
fundus region
wall
urachus
mesentery
metanephros
urorectal septum
reproductive system
respiratory system
nervous system
integumental system
sensory organ
cardiovascular system
skeleton
tail
extraembryonic component