File:Sensenig1951 plate04.jpg

Plate 4

Fig. 19. Transverse section of Iowcr ccr\‘ic:|i region of embryo no. 447;, 43.0 min.. cut 20 microns. X230. Sho\\'.~'. si|1gic—CL'iiu] l:r_\‘cr of pin mater and nntcrior spinal zirlcry. also duru mnlcr and pcrichunilrium with rudimcm of puslcrior im1_=_:ituL|in;I| li;_v:nncnL i1L‘[\\'CL‘l1 thcm.

Fig. 20. 'l'rnn:~'\'crsc scclion of uppcr thoracic region of embryo no. 4473. 43.0 mm.. cm zo microns. ><2—',I>. l’i:1 mater and durzl mnlcr lying mcdiui to spinal g:n1_-,;‘|iun.

Fig. 21. Fronlul suction of thoracic rc_~_-ion of embryo no. 8113. 12.6 mm.. ngc group .\'\'ii, cut in microns.

<.1no. Intcrg-;mglionic Iissnc. connccIin_-.1 clcnsc Lncrzllly

simnlcd mcscnchymc with 1;1Lcr:Il hordcr of ncnrnl tulac.

rcprL'.~cI1l> lhc c;|rlic.~'l indication of :1 dcntznc process.

Fig. 22. Transverse section of occipitoccr\'ic:Il rc;.;run of embryo no. 7592. 32.7 mm.. age group xxi. cut :4» microns. Ex’ -‘,0. First dcnlulc proccss c.\‘1cndin;_: dorm-incdiml from rudiment of occipital bulk’ to ncurnl lnhc.

Fig. 23;. Frontal suction of mid-thoracic region of embryo no. 6832; 23.3 mm.. age group xxii. cut . 20 microns. x150. Dentate process joins latcralliy Ihc cerebral arch rudiment. and mcdislily u thickcnin_-.3 of the pininatcr. lhc rndimcnlnry dcnticulznc ligmncnl.

Fig. 24. Transverse section of upper thoracic region of embryo no. 4570, 30.7 mm.. age group xxiii. cut 15 microns.x100.Interganglionic section showing dentate process.

Abbreviations used in Plates: d.1., dentate ligament d.m., dura mater d.p., dentate process m.p., meninx primitiva n.c., neural crest n.c.c., neural-crest cells n.p., neural process p., perichondrium pm., rudimentary posterior longitudinal ligament s., somite :p.c., spinal cord :p.g., spinal ganglion

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Links: plate 1 | plate 2 | plate 3 | plate 4 | Sensenig 1951 | Spinal Cord | Meninges

Reference

Sensenig EC. The early development of the meninges of the spinal cord in human embryos. (1951) Contrib. Embryol., Carnegie Inst. Wash. Publ. 611.

Cite this page: Hill, M.A. (2024, May 6) Embryology Sensenig1951 plate04.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Sensenig1951_plate04.jpg

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