Spinal Cord cross section, 40x

HISTOLOGICAL FEATURES OF THE SPINAL CORD

©David B. Fankhauser, Ph.D.,
Professor of Biology and Chemistry
University of Cincinnati Clermont College,
Batavia OH 45103
Central Canal, 400x
TITLE FIRST IMAGE
This page has been accessed Counter times since 25 December 2002. 
21 January 1992, 3 Jan 1996, 31 Dec '96, 23 Jan. '97, 7 Jan '98, 5 Jan 00, 31 Jan 01
title second picture

Examine the cross sections of the spinal cord with the 4x objective first. Locate all major regions as listed below. At higher power, note cell structure of central canal, posterior and anterior gray horns, and funiculi. Then illustrate first at lowest power and label the following:

Slide 4: Spinal Cord cross section and longitudinal sections, H-Eosin (H 1537)
Make four illustrations:
 
Click on images to enlarge:

overview:
Spinal Cord, 40x


anterior median fissure, 100x:
Anterior Median Fissure
anterior median fissure, 400x:
anterior median fissure, 400x  

posterior median sulcus, 80x:
posterior median sulcus, 100x
Spinal Cord cross section

(40x): (MF 4th : pages 99, 101)

anterior median fissure
pia mater
arachnoid meninx
dura mater (if present)
posterior median sulcus
posterior gray horn
posterior funiculus
lateral gray horn
lateral funiculus
central canal
ependymal cells
white commissure
grey commissure
anterior gray horn
filaments of ventral root
anterior funiculus

Central Canal, 400x
a: Central Canal (400x)
ependymal cells
cilia
grey commissure
lumen
Anterior Horn Cell, 400x
b: Anterior horn cell (400x)
clear hillock
nucleus
nucleolus
Nissl bodies
myelinated fibers, 400x
c: myelinated fibers (See MF 4 th:93-95) (400x)
(cross section at posterior funiculus)
multiple cross sections of fibers
myelin sheath
axon
Dorsal Root Ganglioin, 40x
Slide 5: Spinal Cord with Dorsal Root Ganglion cross section, Ag stain (H 1560) 
(MF 4 th: page 97) Single large illustration showing all of the following (40x): 
spinal cord connected to dorsal root, 100x
spinal cord general features:
posterior gray horn
anterior gray horn
anterior median fissure
posterior median sulcus
dorsal root ganglion
dorsal root ganglion, 100x
dorsal root ganglion features:
ganglion cells
nerve fibers
epineurium (capsule)
dorsal root
if present:
ventral root
spinal nerve

  ventral root, 100x  This detail shows the ventral root where it is formed from fibers from the anterior gray horn

 
Additional images of the spinal cord: 

                   

Created using Thotor - Photo Thumbnail Generator !