This study was carried out to investigate the branch and distribution of Nervus facialis of the Korean native goat. The observation was made by dissection of embalmed cadavers of ten Korean native goats. The results were as follows; 1. N. facialis arose from the ventrolateral surface of the medulla oblongata. 2. In the facial canal, N. facialis gave off N. petrosus major, N. stapedius and Chorda tympani. 1) N. petrosus major arose from Ganglion geniculi, passed through the pterygoid canal and terminated in Ganglion pterygopalatinum. 2) Chorda tympani joined N. lingualis at the lateral surface of the internal pterygoid muscle. 3. At the exit of the stylomastoid foramen, N. facialis gave off N. caudalis auricularis, Ramus auricularis internus, Ramus stylohyoideus and Ramus digastricus. 1) N. caudalis auricularis arose by two branches in 6 cases and by a single branch in 4 cases. N. caudalis auricularis gave off branches to the caudoauricuIar muscles and the internal surface of the conchal cavity. 2) Ramus auricularis internus arose by a single branch except in 2 cases in which it arose in common with N. caudalis auricularis. It penetrated the caudolateral surface of the tragus and distributed in the skin of the scapha. 3) Ramus stylohyoideus and Ramus digastricus arose separately from N. facialis. 4. In the deep surface of the parotid gland, N. facialis divided into N. auriculopalpebralis, Ramus buccalis dorsalis and Ramus buccalis ventralis. In 6 cases, N. facialis gave off Ramus buccalis ventralis and then divided into N. auriculopalpebralis and Ramus buccalis dorsalis. In 3 cases, N. facialis trifurcated into Ramus buccalis ventralis, Ramus buccalis dorsalis and N. auriculopalpebralis. In one case, N. facialis gave off N. auriculopalpebralis and then divided into Ramus buccalis dorsalis and Ramus buccalis ventralis. 1) Ramus buccalis ventralis ran along the ventral border of the masseter muscle and distributed to the buccinator and depressor labii inferioris muscles. Ramus buccalis ventralis communicated with a branch of Ramus buccalis dorsalis and N. buccalis. In 2 cases, it also communicated with N. mylohyoideus. 2) Ramus buccalis dorsalis communicated with Ramus transverses faciei, N. buccalis, N. infraorbitalis and a branch of Ramus buccalis ventralis. Ramus buccalis dorsalis distributed to the orbicularis oris, caninus, depressor labii inferioris, levator labii superioris, buccinator, malaris, nasolabialis and zygomaticus muscles. 3) N. auriculopalpebralis gave off Rami auriculares rostrales, which supplied the zygomaticoauricularis muscle, the frontoscutularis muscle and the skin of the base of the ear. N. auriculopalpebralis then continued as Ramus zygomaticus, which innervated the frontal muscle, the lateral surface of the base of the horn, the orbicularis oculi muscle and the adjacent skin of the orbit. N. auriculopalpebralis communicated with Nn. auriculares rostrales and Ramus zygomaticotemporalis. In 7 cases, it also communicated with N. infratrochlearis.
The purpose of this study is to develop a new method which enables the goat ESR to be used as an effective clinical test. Blood samples were taken from 61 Korean native goats aged above one year old and the effect of tube inclinations, tube bores, tube lengths, environmental temperatures during tests and packed erythrocyte volumes (PCV) on the ESR were observed. The results were summarized as follows. 1. The ESR/hr using capillary hematocrit tube (Micro-Ht-tube) was gradually increased as the tube angle inclined from 90 (vertical) to 15 degrees and the best angle in view of both security and fast sedimentation rate was found to be an angle of 45 degrees. 2. The 45-degree angled ESR ($45^{\circ}$-ESR) increased as the diameter of tube bore decreased. 3. The tube length did not affect the $45^{\circ}$-ESR in percent. 4. The $45^{\circ}$-ESR increased with the increased environmental temperature during the ESR test. 5. The heparinized Micro-Ht tubes did not affect the $45^{\circ}$-ESR of EDTA-blood in healthy group but in anemic group. In the anemic group, the ESRs by the heparinized Micro-Ht-tubes were slightly higher than those by non-heparinized Micro-Ht-tubes. 6. By using the autologous plasma, PCV of the blood was adjusted to be 10, 20, 30, 40 and 50ml/100ml and $45^{\circ}$-ESRs were determined in the Micro-Ht-tubes. The $45^{\circ}$-ESRs increased as the values of PCV decreased. The regression of the $45^{\circ}ESR$ to PCV was curvilinear with the second degree polynomial, $Y=42.1838-1.7355X+0.0180X^2$(r=0.9997). 7. The $45^{\circ}$-ESR/hr, using non-heparinized Micro-Ht-tubes at $20^{\circ}C$, was determined in 35 healthy Korean native goats. The average PCV was $30.6{\pm}1.4ml/100ml$. The observed ESR values averaged $6.8{\pm}1.7%$ and the corrected ESR values to the standard PCV of 31ml/100ml averaged $6.5{\pm}1.2%$. From these results, the angled capillary tube method was found to be desirable ESR test of goat blood in which EDTA-blood is filled in nonheparinized Micro-Ht-tubes held at an angle of 45 degrees for an hour at $20^{\circ}C$.
Humic acids were extracted from straw of wheat and rye at three different stages of decomposition. Contents and distribution of amino acids in the hydrolysates of humic acids were examined and the results obtained can be summarized as the following: 1. Contents and distribution of amino acids in the hydrolysates of humic acids differ from plant to plant and from one stage of decomposition to another. 2. Neutral amino acids as a group take the largest portion of the total amino acids in humic acid hydrolysates followed by the acidic and the basic. 3. The total amount of amino acids in decomposed wheat straw at the 90 days of humification was greater than that in the case of rye straw. 4. Contents of amino acids other than arginine, histidine and tyrosine were increased in the case of wheat straw, while only the contents of lysine, phenylalanine, tyrosine and methionine were observed to increase in the case of rye straw. 5. Exceptionally high contents of phenylalanine and tyrosine were measured in the hydrolysate from rye straw taken at the end of experimental period. 6. No amount of arginine was detected in any hydrolysate of humic acids from decomposed plant residues.
Kim, Eung-Lae;Kim, Chang-Sik;Lee, Hee-Young;Lee, Hye-Rim;Kim, Eung-Yeol;Yoon, Mi-Chung;Shin, Soon-Shik
The Korea Journal of Herbology
/
v.27
no.2
/
pp.69-75
/
2012
Objectives : We investigated the effects of mountain cultivated ginseng water boiled extract(MCG) on blood glucose and insulin levels, and examined whether lipid metabolism are improved by it in male db/db mice(a murine model of type 2 diabetes mellitus). Methods : 9 weeks old, male db/db mice were divided into 5 groups : C57BL/6J normal, control, MCG-250mg/kg (MCG-1), MCG-500mg/kg(MCG-2) and MCG-1000mg/kg(MCG-3). After mice were treated with MCG for 8 weeks, we measured body weight, food intake, fat weight, visceral organ weight and blood glucose, insulin and lipid levels. Results : 1. We found no difference in body weight, food intake, fat weight and visceral organ weight among the animal groups. 2. Compared with controls, MCG-treated mice had lower blood glucose level and higher blood insulin levels, the magnitude of which was prominent in MCG-2. 3. Compared with controls, MCG-treated mice had lower LDL-cholesterol and higher HDL-cholesterol levels. 4. Compared with controls, MCG-treated mice had blood triglyceride and free fatty acid levels, the magnitude of which was prominent in MCG-2. 5. Blood AST and ALT concentrations were not changed by MCG, indicating MCG do not show any toxic effects. Conclusions : These results demonstrate that MCG effectively increases blood insulin level and decreases blood glucose level, blood lipid levels, and prevents and improves diabetic dyslipidemia and cardiovascular disease.
The influence of starvation on morphological change of the red sea bream larvae was examined at Song-ji fish hatchery, Tongyong-Gun, Kyongnam Provice in July 1988. The results obtained are as follows: 1) The larvae of red sea bream began to feed on rotifers in 2 days after hatching. In case of non-feeding, all of the larvae died in 5 days after hatching and the larvae which feeding delayed 1 and 2 days from normal first feeding schedule also died 100 in 6 days after hatching. 2) With the exhaustion of the yolk, the total length, body length, myotome height and gut height of unfed larvae decreased. 3) The ratio of height to myotome height in unfed larvae has declined most rapidly compare to other demensions while starving. At 5 days after hatching, the ratios of these of starving larvae and fed larvae were 0.306 and 0.010, respectively. 4) The morphology of starving larvae at 6 days after hatching are characterized as sharpened jaw, projected edge of lower part of clavicle and slender gut.
We have developed a novel polymerase chain reaction (PCR)-microchip gel electrophoresis (MGE) method based on the sieving gel mixture of commercially available poly(vinylpyrrolidone) (PVP) and hydroxy ethyl cellulose (HEC) for the rapid detection and diagnosis of the orf virus (ORFV) from Korean indigenous goat. After amplification of 594-bp DNA fragment from the B2L gene of ORF virus, the amplicon was analyzed by the MGE separation. The glass microfluidic chip (64 mm total length (36 mm effective length)${\times}$90 ${\mu}$m width${\times}$20 ${\mu}$m depth) allowed the fast detection and diagnosis of ORFV in the mixture of 1.0% PVP ($M_r$ 360,000) and 1.0% HEC ($M_r$250,000) as a sieving matrix with better resolution and reproducibility of DNA fragments. Under the electric field of 277.8 V/cm, the 594-bp DNA was analyzed within 4 min. Compared to traditional slab gel electrophoresis, the PCR-MGE method was twenty times faster and an effective clinical method for the quantitative analysis of ORFV.
To elucidate pathogenesis of bovine leukemia virus(BLV) in Korean native goats, the goats experimentally infected with BLV were studied especially for the aspects of infectivity and hematological changes. The experimental goats were examined for 27 months by agar-gel immunodiffusion(AGID) test and syncytium formation assay. During this period, changes of total leucocyte, absolute Iymphocyte and atypical Iymphocyte were examined, and the distribution of surface immunoglobulin ( sIg ) -bearing cells and rosette forming cell (RFC) in the peripheral Iymphocyte were also investigated. By indirect immunofluorescence (IFA) and complement dependent antibody cytotoxicity (CDAC) assay using monoclonal antibody(Mab) against bovine leukosis tumor-associated anti-gen(BL-TAA), changes of BL-TAA positive Iymphocyte in peripheral blood were measured. The results obtained through the experiment were summarized as follows. 1. Antibody titers were measured by AGID using gP51 and P24 antigens. The animals were serologically converted at 2 months post-inoculation(pi) in gP51 antigen, whereas sero-converted at 4 months pi in P24 antigen. In comparison with antibody titers for gP51, P24 antigen showed lower titers throughout the trial period. 2. The peripheral lymphocytes from all of the infected goats, as co-cultivated with F8l cells manifested syncytial formation at 4 months pi. 3. On counting total leucocyte, Iymphocyte and atypical Iymphocyte, two out of four infected goats showed normal distribution, while No 2 of the remaining two revealed temporal and No 3, Persistant increasing number of the cells. 4. The optimal condition of rosette formation of the peripheral Iymphocyte of normal Korean native goats was shown in the sheep erythrocyte treated with 0.1M AET for 30 nun at $37^{\circ}C$. When the Iymphocytes were treated in nylon wool column, the number of sIg-bear-ing cell were increased in the nylon wool adherent cells, but RFC was increased in the non-adherent cells. Of the infected goats, No 2 and No 3 showed significantly increasing number of sIg-bearing cells at 18 months pi. 5. The Iymphocytes of No 2 and No 3 goats reacted positively in IFA using Mab against BL-TAA at 12 months pi and 18 months pi, respectively. In CDAC test, all of four infected goats revealed positive reaction at 24 months pi. The higher positive rates were observed in No 2 and No 3 as compared with the remainders.
Kim, Chong-Sup;Jung, Soon-Hee;Won, Chung-Kil;Lee, Jong-Hwan;Cho, Gyu-Hyen;Kwak, Soo-Dong;Cho, Kyu-Woan;Kim, Moo-Kang;Song, Chi-Won
Korean Journal of Veterinary Research
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v.42
no.2
/
pp.147-152
/
2002
The morphological development of colonic epithelia in fetuses between 60-. 90-, and 120-days gestation and neonates of Korean native goat were investigated by transmission electron microscopy. In the 60-day-old fetuses, the colonic epithelial cells contained nuclei, nucleoli, mitochondria, free ribosomes, and shoo granular and agranular endoplasmic reticula. The zonula occludens, zonula adherens, desmosomes, short microvilli, and masses of glycogen granules were also obsrved. The goblet cells contained a few secretory granules. In the 90-day-old fetuses, the cell organelles of the colonic epithelial cells were better developed than those in the 60 day old fetuses. Increased number of endoplasmic reticula, digitiform intercellular junctions, mitochondria, and Golgi complexes was observed. The goblet cells contained a lot of secretory granules. In the 120-day-old fetuses, the colonic epithelial cells contained long microvilli and well developed cell organelles. The nuclear cleft and large intercellular space were also appeared. Nunerous fibroblasts were seen in the basement membrane. The number of goblet cells was further observed. In the 120 day old fetuses, all colonic epithelial cells shape simple columnar cells. In newborns, the colonic epithelial cells were covered with extensive microvilli. There were many goblet cells with a lot of secretory granules protruding into the intestinal lumen, and some goblet cells secreted their secretory granules into the lumen. In the 60-and 90-day-old fetuses, the colonic epithelial cells appeared to be either simple columnar or stratified columnar depending on areas.
The present study was undertaken to investigate the morphological characteristics of trigeminal nerve in the Korean native goat by macroscopic methods. Trigeminal nerve was originated from the lateral side of pons, and extended shortly forward to form trigeminal ganglion at the opening of oval foramen. Thereafter this nerve was divided into maxillary, mandibular and ophthalmic nerve. Ophthalmic nerve gave off the zygomaticotemporal branch, frontal nerve, frontal sinus branch, and was continued as the nasociliary nerve. Maxillary nerve gave rise to the zygomaticofacial branch, accessory zygomaticofacial branch, communicating branch with oculomotor nerve, pterygopalatine nerve, caudal superior alveolar branch, malar branch and was continued as the infraorbital nerve. Mandibular nerve was divided into the masseteric nerve, buccal nerve, lateral pterygoid nerve, medial pterygoid nerve, nerve to tensor tympani m., auriculotemporal nerve, and furnished the inferior alveolar nerve and lingual nerve as terminal branches. The course and distribution of the trigeminal nerve in the Korean native goat appeared to be similar to that in other small ruminants such as sheep and goat. But the main differences from other small ruminants were as follows : 1. There was no accessory branch of the major palatine nerve. 2. The caudal superior alveolar branch was directly branched from the maxillary nerve. 3. The communicating branch with oculomotor nerve was originated from maxillary nerve or common trunk with zygomaticofacial branch. 4. The malar branch arose from the maxillary nerve at the rostral to the origin of the caudal superior alveolar branch. 5. The inferior alveolar nerve originated in a common trunk with the lingual nerve. 6. The mylohyoid nerve arose at the origin of the inferior alveolar nerve. 7. The zygomaticotemporal branch was single fascicle, and gave off lacrimal nerve and cornual branch. 8. The base of horn was provided by the cornual branches of zygomaticotemporal branch and infratrochlear nerve of nasociliary nerve.
Behavioural estrus and short estrous cycles were observed and serum concentrations of estradiol-17$\beta$(E2) before and after of estrous were measured following superovulation treatments in 30 pluriparous Korean native goats. The goats were divided into 2 groups. Fifteen goats were injected IM with 1,000IU PMSG on Day 12 of the estrous cycle followed by 10mg PGF2$\alpha$ 48h later(P4+PMSG), and the other 15 goats were injected IM with 10mg progesterone(P4)in oil once daily for 10d beginning at any days of estrous cycle followed by 1,000IU PMSG and 10mg PGF2$\alpha$ at the 8th day of progesterone treatment(P4+PMSG group). After injection of PGF2$\alpha$, onset of standing estrus occurred in 12 of 15 goats(80.0%) at 50.0$\pm$7.7h and in 11 of 15 goats(73.3%) at 135.6$\pm$10.1h in PMSG and group and P4+PMSG group, respectively. The mean interval from PGF2$\alpha$ injection to first estrus was significantly(P<0.01) earlier in PMSG group than in P4+PMSG group. This result indicate that the delayed infusion of P4 in P4+PMSG group caused the later exhibition of their estrous behaviors. However, duration fo frist estrus(31.5$\pm$2.6h vs 26.2$\pm$2.3h), length of estrous cycle(14.1$\pm$3.3d vs 16.6$\pm$3.8d) and percentage of short estrous cycle(50.0% vs 45.5%) were not different between PMSG and P4+PMSG group. The mean concentration of serum E2 in 4 goats showing normal estrous cycle in P4+PMSG group(PP-NEC) was higher than in 6 goats showing normal(P-NEC) or in 6 goats showing short estrous cycle(P-SEC) in PMSG group. The peak level of serum E2 was observed at the time of onset of standing estrus in PP-NEC(67.6pg/ml), 6h earlier in P-NEC(53.1pg/ml) and 6h later in P-SEC(52.3pg/ml) than the onset of standing estrus. The profiles of serum concentration of E2 during the period of peri-estrus was similar in the goats of PMSG or P4+PMSG and also in the goats showing the subsequent estrous cycle of normal or short length.
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