Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
(1)
Food is ground in esophagus, passes into
stomach where various secretions &
twisting of material takes place; then to
caecum -- major point of absorption -
on to stomach again, where joins
twirling mill, then to pylorus which
has special secretory cells on to
rectum.
Stomach.
ciliated
cells.
esophagus
funiculus
special
secretory
cells.
caecum
absorption
funicules
funiculus lines
each tentacle
tentacles.
tentacles