horny teeth
branchial basket
internal gill slit
external gill slit
branchial pouch
chorioallantoic membrane
amnion
chorion
allantoic membrane
allantois
yolk sac
frontal sinus
naris
hard palate
tongue
mandible
hyoid bone
vocal chord
thyroid cartilage
trachea
esophagus
cricoid cartilage
vertebra
epiglottic cartilage
laryngopharynx
palatine tonsil
oropharynx
soft palate
auditory tube
nasopharynx
sphenoidal sinus
conchae
lung
auditory tube
choana
naris
tongue
glottis
laryngotracheal chamber
bronchus
stomach
pharynx
gill raker
branchial arch
secondary lamella
primary lamella
opercular chamber
mandibular arch
hyoid arch
branchial arch
gill
parabranchial chamber
external gill slit
spiracle
pharynx
esophagus
coelom
parabranchial chamber
branchial chamber
gill lamellae
holobranch
interbranchial septum
gill ray
hemibranch
gill raker
hyoid arch
spiracle
spiracular valve
naris
gill
opercular cavity
pectoral girdle
body wall
esophagus
opercular valve
operculum
pharynx
mouth cavity
terminal bronchiole
respiratory bronchioles
alveolar duct
alveoli
artery
venule
vein
concha
palate
epiglottis
trachea
primary bronchus
lung
diaphragm
auditory tube
nasopharynx
larynx
esophagus
pleura
bronchiole
pericardial cavity
alveoli