File:Sensenig1951 plate04.jpg: Difference between revisions

Latest revision as of 15:43, 21 November 2017

Plate 4

Fig. 19. Transverse section of lower cervical region of Carnegie Embryo No. 4473, 43.0 mm.. cut 20 microns. X230. Shows single cell layer of pia mater and anterior spinal artery. also dura mater and perichondrium with rudiment of posterior longitudinal ligament between them.

Fig. 20. Transverse section of upper thoracic region of Carnegie Embryo No. 4475, 48.0 mm. cut 20 microns x250. Pia mater and dura mater lying medial to spinal ganglion.

Fig. 21. Frontal section of thoracic region of Carnegie Embryo No. 8118,12.6 mm.. age group xvii, cut 10 microns. x200. Interganglionic tissue connecting dense laterally situated mesenchyme with lateral border of neural tube representing the earliest indication of a dentate process.

Fig. 22. Transverse section of occipitocervical region of Carnegie Embryo No. 7592, 32.7 mm.. age group xxi. cut 20 microns. x50. First dentate process extending dorsomediad from rudiment of occipital bone to neural tube.

Fig. 23. Frontal suction of mid-thoracic region of Carnegie Embryo No. 6832; 23.3 mm.. age group xxii. cut . 20 microns. x150. Dentate process joins laterally the cerebral arch rudiment, and medially a thickening of the pia mater. the rudimentary denticulate ligament.

Fig. 24. Transverse section of upper thoracic region of Carnegie 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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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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current	15:25, 5 June 2016		1,990 × 2,627 (1.29 MB)	Z8600021 (talk \| contribs)	==Plate 4== {{Sensenig1951 images}}

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 ==Plate 4==
-Fig. 19. Transverse section of  Iowcr ccr\‘ic:|i region of embryo no. 447;, 43.0 min.. cut 20 microns. X230.
+Fig. 19. Transverse section of  lower cervical region of Carnegie Embryo No. {{CE4473}}, 43.0 mm.. cut 20 microns. X230. Shows single cell layer of pia mater and anterior spinal artery. also dura mater and perichondrium with rudiment of posterior longitudinal ligament between them.
-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>.
+Fig. 20. Transverse section of upper thoracic region of Carnegie Embryo No. {{CE4475}}, 48.0 mm. cut 20 microns x250. Pia mater and dura mater lying medial to spinal ganglion.
-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.
+Fig. 21. Frontal section of thoracic region of Carnegie Embryo No. {{CE8118}},12.6 mm.. [[Carnegie stage 17|age group xvii]], cut 10 microns. x200. Interganglionic tissue connecting dense  laterally situated mesenchyme with lateral border of neural tube representing the earliest indication of a dentate process.
-:<.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 occipitocervical region of Carnegie Embryo No. {{CE7592}}, 32.7 mm.. [[Carnegie stage 21|age group xxi]]. cut 20 microns. x50. First dentate process extending dorsomediad from rudiment of occipital bone to neural tube.
-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 Carnegie Embryo No. {{CE6832}}; 23.3 mm.. [[Carnegie stage 22|age group xxii]]. cut . 20 microns. x150. Dentate process joins laterally the cerebral arch rudiment, and medially a thickening of the pia mater. the rudimentary denticulate ligament.
-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 Carnegie Embryo No. {{CE4570}}, 30.7 mm., [[Carnegie stage 23|age group xxiii]]. cut 15 microns.x100.Interganglionic section showing dentate process.
-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.
 {{Sensenig1951 images}}
+[[Category:Carnegie Embryo 4473]][[Category:Carnegie Embryo 4475]][[Category:Carnegie Embryo 8118]][[Category:Carnegie Embryo 7592]]
+[[Category:Carnegie Embryo 6832]][[Category:Carnegie Embryo 4570]]