Anatomical basis of rat brachial plexus reconstruction

Bertelli, Jayme Augusto; Jc, Mira; Gilbert, Alain; Michot, GA; Legagneux, Josette

doi:10.1007/bf01628049

Cited by 44 publications

(52 citation statements)

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“…Few reports have described the macroscopic anatomy of the forelimb nerves in rats (Greene, 1963;Hebel and Stromberg, 1986;Bertelli et al, 1992Uzun et al, 2001). Microscopic evaluations providing quantitative data on the fascicles and nerve fibers are also scanty, with most information coming from control animals in experimental studies.…”

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Microscopic anatomy of brachial plexus branches in Wistar rats

Santos

Suaid

Fazan

et al. 2007

The Anatomical Record

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In the present study, we analyze the morphology and morphometry of the lateral proper digital nerve of the third finger, and of the proximal and distal segments of the ulnar, median, and radial nerves, in Wistar rats 4 or 7 weeks old. The fascicular area and diameter were generally significantly greater in the proximal compared to distal segments and tended to be larger in 7-week-old compared to 4-week-old rats (e.g., median nerve area of 0.13 mm 2 for the proximal and 0.07 mm 2 for distal segments in 4-weekold rats, and 0.17 and 0.10 mm 2 , respectively, for the proximal and distal segments of 7-week-old rats). The number of fascicles was significantly greater while the number of myelinated fibers was significantly less in the distal segments (e.g., 1,359 and 509 myelinated fibers, respectively, in the proximal and distal segments of the radial nerve 4-week-old rats). There was no significant difference in these parameters between the two age groups. The diameter of the myelinated fibers and their respective axons increased from 4 to 7 weeks of age (e.g., myelinated fiber diameter of 4.10 mm in 4-week-old animals and 4.7 mm in the ulnar nerve proximal segment of 7-week-old rats). The g-ratio regression line (axon diameter vs. fiber diameter quotient) was outlined for all the nerves studied here. Differences in myelinated fiber density were detected between the segments of the radial nerve, accompanying the number of myelinated fibers. Detailed knowledge of the microscopic anatomy of rat forelimb nerves provides control data for comparison with studies of experimentally induced neuropathies, which can shed more light on human neuropathies. Anat Rec, 290:477-485, 2007. 2007 Wiley-Liss, Inc.

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“…Most injuries to human peripheral nerves affect the upper extremities, which constitutes another reason why an experimental model of nerve injury in the forelimb is useful (Bontioti et al, 2003). The brachial plexus of the rat and its branching exhibit various similarities with the human brachial plexus (Bertelli et al, 1992.…”

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Microscopic anatomy of brachial plexus branches in Wistar rats

Santos

Suaid

Fazan

et al. 2007

The Anatomical Record

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“…However, these nerves have been reported to originate from C6 and C7 in cats (McClure et al, 1973;Ge�y, 1975;Aslan, 1994) and dog (Miller et al, 1964;Ge�y, 1975;Tipirdamaz and Erden, 1988;Dursun et al, 1994) Axillar nerve receives contributions from the nerves driving from C5 to T1 in rat (Bertelli et al, 1992) or only from C6 and C7 (Green, 1968), from C6 and C7 in rabbit (Aslan, 1994;Yilmaz et A -cranial trunk, B -caudal trunk C -branch knocthing cranial trunk and caudal trunk together, 1 -suprascapular nerve, 2 -subscapular nervi, 3 -axillary nerve, 4 -thoracodorsal nerve, 5 -radial nerve, 6 -median nerve, 7 -ulnar nerve, 8 -cranial pectoral nervi, 9 -lateral thoracic nerve, 10 -caudal pectoral nerve, a -subscapular muscle, b -teres major muscle, c -latissimus dorsi muscle 15 -musculocutaneous nerve branche which go to dorsal surface of the phalanx, 16 -ramus superficial of radial nerve, 17 -digital dorsal commun I nerve, 18 -digital dorsal commun II nerve, 19 -digital dorsal commun III nerve, 20 -digital dorsal commun IV nerve, 21 -digital dorsal commun V nerve al., 1995), from C5, C6 and C7 in Wervet monkey (Booth, 1991) and in Chacma baboon (Booth et al, 1997), from C7 and C8 in dog (Miller et al, 1964;Tipirdamaz and Erden, 1988;Dursun et al, 1994), from C6 and C7 in cat (Getty, 1975;Aslan, 1994) or C7 and C8 (McClure et al, 1973). In porcupine, this nerve differs from that of other species as it together with a branch of subscapular nerve, originated from caudal trunk.…”

Section: Discussionmentioning

confidence: 99%

“…Median nerve originates from C7, C8, T1 in rat (Green, 1968;Bertelli et al, 1992), from all nerves from C5 to T2 in Wervet monkey (Booth, 1991) and in Chacma baboon (Booth et al, 1997), C8, T1 and T2 (Miller et al, 1964;Tipirdamaz and Erden, 1988) in dogs, from C7, C8, T1 and T2 in a kind kangal of dog (Dursun et al, 1994), from C7, C8 and T1 (McClure et al, 1973;Ge�y, 1975) in cat. In porcupine, it originates from caudal trunk as it is in Wervet monkey (Booth, 1991) and Chacma baboon (Booth et al, 1997).…”

Section: Discussionmentioning

confidence: 99%

“…On the structure of brachial plexus porcupines (Aydin, 2003), and distributions of the nerves orginated from the brachial plexus have been studied in a variety of species including dog (Miller et al, 1964;Tipirdamaz and Erden, 1988;Dursun et al, 1994), cat (McClure et al, 1973;Ge�y, 1975), Wervet monkey (Booth, 1991), Chacma baboon (Booth et al, 1997), rabbit (Aslan, 1994;Yilmaz et al, 1995), mouse (Cook, 1965) and rat (Green, 1968;Chiasson, 1980;Bertelli et al, 1992). To the author's knowledge, this is the first study on nerves orginating from the brachial plexus of porcupines (Hystrix cristata).…”

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Nerves originating from brachial plexus in the porcupine (Hystrix cristata)

Aydin¹

2004

Vet. Med.

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ABSTRACT:In this study, dissemination of forelimb's nerves of the porcupine (Hystrix cristata) was investigated. Four porcupines (two males and two females) were used and nerves originating from brachial their plexus were dissected. Origin and dissemination of forelimb's nerves orginated from brachial plexus constituted from cranial and caudal trunks were examined. Suprascapular nerve and the first branch of subscapular nerve orginated from cranial and caudal part of cranial trunk, respectively. Nerves orginated from caudal trunk, pectoral cranial nerves, constituted four branches spreading in pectoral muscles. Musculocutenoeus nerve gives a branche to brachial muscle and, a�er giving medial cutaneus antebrachii nerve was divided to two branches (digital dorsal commun I and II nerve). Axillary nerve gives a branche to subscapular muscle and ends as cranial cutaneous antebrachii. Radial nerve separated to branches as ramus profundus and ramus superficial which also was divided to digital dorsal commun III and IV nerve and lateral cutaneus antebrachial nerve. Thoracodorsal nerve spreaded to latismus dorsi muscle. Median nerve was divided to digital dorsal commun I, II, III and IV nerve. Ulnar nerve was divided to digital dorsal commun V and digital dorsal commun V nerve a�er giving caudal cutaneous antebrachi. An undefined nerve branche orginated from caudal trunk entered corachobrachial muscle and biceps brachii muscle. Lateral thoracic and caudal pectoral nerves orginated from caudal trunk. In the porcupine, branche which goes to corachobrachial muscle directly from caudal trunk of the brachial plexus and distrubutions of musculocutaneous, radial, ulnar and median nerves were different from rodantia and other mammals.

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Neural systemic impairment from whole‐body vibration

Yan

Zhang

Agresti

et al. 2014

J of Neuroscience Research

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Insidious brain microinjury from motor vehicle-induced whole-body vibration (WBV) has not yet been investigated. For a long time we have believed that WBV would cause cumulative brain microinjury and impair cerebral function, which suggests an important risk factor for motor vehicle accidents and secondary cerebral vascular diseases. Fifty-six Sprague-Dawley rats were divided into seven groups (n = 8): 1) 2-week normal control group, 2) 2-week sham control group (restrained in the tube without vibration), 3) 2-week vibration group (exposed to whole-body vibration at 30 Hz and 0.5g acceleration for 4 hr/day, 5 days/week, for 2 weeks), 4) 4-week sham control group, 5) 4-week vibration group, 6) 8-week sham control group, and 7) 8-week vibration group. At the end point, all rats were evaluated in behavior, physiological, and brain histopathological studies. The cerebral injury from WBV is a cumulative process starting with vasospasm squeezing of the endothelial cells, followed by constriction of the cerebral arteries. After the 4-week vibration, brain neuron apoptosis started. After the 8-week vibration, vacuoles increased further in the brain arteries. Brain capillary walls thickened, mean neuron size was obviously reduced, neuron necrosis became prominent, and wide-ranging chronic cerebral edema was seen. These pathological findings are strongly correlated with neural functional impairments.

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Anatomical basis of rat brachial plexus reconstruction

Cited by 44 publications

References 1 publication

Microscopic anatomy of brachial plexus branches in Wistar rats

Microscopic anatomy of brachial plexus branches in Wistar rats

Nerves originating from brachial plexus in the porcupine (Hystrix cristata)

Neural systemic impairment from whole‐body vibration

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