Adventitial FB Early adventitial FB FB precursor Early alveolar FB Alveolar FB Proliferating FB Proliferating MyoF MyoF MyoF/ASM precursor Early ASM ASM VSM Pericyte Proliferating pericyte Striated muscle Lymphatic Arterial II Arterial I Venous Embryonic cap Proliferative cap Early gCap gCap Aerocyte B cell NK cell T cell IL cell DC I DC II DC III Mac I Mac II Alveolar mac Interstitial mac Monocyte Basophil Mast cell Neutrophil Alveolar type I Alveolar type II Club Ciliated Basal