The porifera and coelentera . Fig. 9. Fio. 10. 8.—Types of Hydromedusaii cells, after von Lendeiifeld and ScliuUe. l,epithelio-niiiscularcell, with palpocil and contnictile processes ; 2, 3, muscular cells showing the transition fromthe epithelioid to the fibrous condition ; 4, sense cell with palpocil, connected by nerve Jibrewith <,ani,lion cell; 5, supporting cell with palpocil; (J, cnidoblast, with three cnidocils, en-closing a nematocyst, and connected by ner\e fibre with ganglion cell; ~, endoderm cell withciliuni; the protoplasm is vacuolated and contains (?) food particles; S, amoeb
The porifera and coelentera . Fig. 9. Fio. 10. 8.—Types of Hydromedusaii cells, after von Lendeiifeld and ScliuUe. l,epithelio-niiiscularcell, with palpocil and contnictile processes ; 2, 3, muscular cells showing the transition fromthe epithelioid to the fibrous condition ; 4, sense cell with palpocil, connected by nerve Jibrewith <,ani,lion cell; 5, supporting cell with palpocil; (J, cnidoblast, with three cnidocils, en-closing a nematocyst, and connected by ner\e fibre with ganglion cell; ~, endoderm cell withciliuni; the protoplasm is vacuolated and contains (?) food particles; S, amoeboid cell fromlaesogloea. 9.—Cnidoblast with cnidocil and nematocyst; the thread and barbs of the latter havebeen evei-ted. (After Schulze.) 10.—Vacuolated endodi-rm cells of cartilaginous consistence from the axis of the tentacleof Cunina. (From GegenUiurs Elvienh ofComjHiwtive Anatomy.) the others, are apparently ditterentiated as required into the morespecialised cell forms already mentioned. The endoderm is also gene
Size: 1126px × 2218px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectctenophora
