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TABLE XXXVI, 



Systematic Survey of the Development of the Human Intestinal System. 

 N.B. — The parts marked thus f are processes from the intestinal tube. 



First main section 

 of the 



Intestinal 



System : 



the Respiratory 



Intestine 



(Gill Intestine) 



Pheogasteb. 



(Tr actus 

 respirator ius.) 



n. 



Second main 

 section of the 



Intestinal 

 System : 

 Digestive 

 Intestine 

 (Stomach Intes- 

 tine). 

 Peptogastek. 

 (Tractus 

 tivus.) 



Mouth -cavity 

 (Cavum oris) 



Nose-cavity 

 (Cavum nasi) 



Throat-cavity 

 (Cavum pharyn- 

 gis) 



4. Lung 

 (Cavum 



Mouth-opening 

 Lips 

 Jaws 

 Teeth 

 Tongue 

 Tongue bone 

 •f- Salivary glands 



Soft palate 

 \ Uvula 



/ Nose canal 

 ] f Jaw cavities 

 1 f Frontal cavities 

 (f Ethmoid cavity 



/ Isthmus of the throat 



Tonsils 



Pharynx 

 f Eustachian tube 

 f Tympanic cavity 

 f Brain-appendage 

 t Thyroid gland 



f Larynx 



.. ( f larynx 



5. Anterior Intestine 

 (Prosogaster) 



6. Central Intestine 

 (Mesogaster) 



1 Posterior Intestine 

 (Epigaster) 



Urinary Intestine 

 ^ (Urogaster) 



Gullet 



Stomach-opening 

 Stomach 

 Stomach exit 



Gall-intestine 

 f Liver 

 f Pancreas 



Empty intestine 

 (f Yelk-sac, or navel- 

 bladder) 



Crooked intestine 



Large intestine 

 •f- Blind intestine 

 •j- Vermiform process of 

 the coecum 



Rectum 



Anal opening 



(f Primitive urinary sac 

 f Urinary tube 

 Urinary bladder 



Rima oris 



Labia 



Maxilla 



Dentes 



Lingua 



Os hyoides 



Glandulce salivales 



Velum palatinum 



Uvula 



Meatus narium 

 Sinus maxillares 

 Sinus frontales 

 Sinus ethmoidales , 



Isthmus faucium 



Tonsillar 



Pharynx 



Tuba Eustachii 



Cavum tympani 



Hypophysis 



Thyreoidea 



Larynx 

 Trachea 

 Pulmones 



(Esophagus 

 Cardia 

 Stomachus 

 Pylorus 



If 



g3 





z& 





~ IS 



lit 



*3 



Duodenum 

 Hepar 



Pancreas t>>^ 



Jejunum £ 9 



( Vesicula umbilica- v £ 

 lis) g £ 



Ileum 



i! 



Cozcum 



Processus vermi- 

 form is 

 Rectum 

 Anus 



Allantois) 



Urethra 



Drocystia 





*t 





