All the lesions in 10 patients did not show the ＂caput medusae＂ sign in arterial phase of IVM.

結(jié)論多排螺旋CT在診斷IVM中，腦靜脈期血管成像優(yōu)于動(dòng)脈期欧美特黄AAAAA一区二区，而靜脈系統(tǒng)與病灶容積重建欧美熟女高潮、圖像的融合，是顯示IVM的有效重建方法怕怕怕免费网站18以上看。

Among medusae collected in recent years 46 species of Hydromedusae , 2 species of Siphonophore and 2 species of Ctenophora were identified and a new species Ectopleura platypicata Xu et Huang was discovered .

本文根據(jù)作者近幾年來(lái)所采集標(biāo)本精品乱伦，在鑒定出遼寧沿海水螅，水母46種开心激情婷婷色，管水母2種和櫛水母2種的基礎(chǔ)上，其中有水螅水母一新種

Methods A retrospective analysis was performed for images of CT,MRI and DSA of 12 patients with intracranial venous angiomas.In all cases,7 cases male,5 cases female,age ranged from 8 years old to 72 years old.All patients underwent the examinations of CT,MRI and/or DSA.Results All 12 patients had single lesion.In these cases,there were 6 cases （50%） located in cerebella,6 cases （50%） located in cerebra including 3 cases （25%） in lobus frontalis and 3 cases （25%） in lobus parietalis.Most patients had slight clinical symptoms and were detected the lesions accidentally when they were examined for other diseases.Compared the imaging features of CT,MRI and DSA,conventional CT scan was negative,but there were characteristic images which was "dendritic" sign in contrast-enhanced CT and MRI,and typical findings of "caput medusae"sign in venous phase of DSA.

結(jié)果 顱內(nèi)靜脈血管瘤均為單發(fā)欧美性交网；6例（50%）位於幕下小腦實(shí)質(zhì)內(nèi)欧美图片视频小说，6例（50%）位於幕上額葉（3例25%）、頂葉（3例25%）腦實(shí)質(zhì)內(nèi)先锋影音av鲁色资源站；患者臨床癥狀輕微爱爱午夜福利视频，多為合并其他病變檢查時(shí)偶然發(fā)現(xiàn)；CT求个国产av网站、MRI及DSA的影像比較欧美日韩免费在线不卡视频，CT平掃為陰性，CT增強(qiáng)掃描與MRI平掃呈特征性表現(xiàn)国产精品综合第三页，即樹(shù)枝征黄色视频网址入口，DSA靜脈期可見(jiàn)典型表現(xiàn)蛇頭征。

Besides Copepoda, Medusae, Cladocera, Mysidacea also played an important role in maintaining the structure and function of estuarine ecosystem.

除橈足類(lèi)之外精精国产XXXX视频在线直播1，水母類(lèi)狼友视频在线观、枝角類(lèi)、糠蝦類(lèi)等其它浮游動(dòng)物在維持河口生態(tài)系統(tǒng)結(jié)構(gòu)與功能上也具有重要作用欧美一级片在线视频网站。

Results showed that 57 species in total were identified. Among them copepod was the dominant group, containning 20 taxa. The zooplankton community was composed of 18 rotatoria species, 8 cladocera species, 2 tunicata species, and 1 species in each of Protozan, polychaeta, heteropoda, medusae and euphausiacea, and 2 species unidentified.

經(jīng)鑒定有浮游動(dòng)物57種视频一区国内自拍，其中橈足類(lèi)占優(yōu)勢(shì)，有20種爱搞,为爱搞点激情；其次為輪蟲(chóng)和枝角類(lèi)国产合集久久，分別為18和8種；此外夜色福利免费网页在线视频，被囊動(dòng)物2種日韩久久网，原生動(dòng)物、多毛類(lèi)又粗又大又爽、異足類(lèi)精品高潮一区二区在线观看、水母類(lèi)、糠蝦類(lèi)各1種国产日韩欧美专区；還有階段性各種幼蟲(chóng)以及未知種類(lèi)2種国产二级黄片视频。

caput medusae：水母頭

(1)Cruveilhier-Baumgarten綜合征(CBS):如極度擴(kuò)張的靜脈在臍部形成一簇水母頭(caput medusae)狀向四周放射,即為CBS. 門(mén)脈高壓時(shí)的門(mén)-體靜脈側(cè)支循環(huán)開(kāi)放大多位于肝外,肝實(shí)質(zhì)內(nèi)的門(mén)-體靜脈分流(PSVS)較為罕見(jiàn),目前對(duì)其成因尚有爭(zhēng)論.

caput medusae：海蛇頭

主要的側(cè)支循環(huán)和合并癥如:食管下段靜脈叢曲張,如破裂可引起大嘔血,是肝硬變患者常見(jiàn)的死因之一;直腸靜脈叢曲張,破裂常發(fā)生便血,長(zhǎng)期便血可引起貧血;臍周?chē)o脈網(wǎng)曲張,臨床上出現(xiàn)"海蛇頭"(caput medusae)現(xiàn)象.

caput medusae：海蛇神頭,梅杜沙氏頭

capillary pulsation 毛細(xì)血管搏動(dòng) | caput medusae 海蛇神頭,梅杜沙氏頭 | cardiac asthma 心原性哮喘

caput medusae：女王頭

14 bulbosa 小蝴蝶 12.5cm 15 | 20 caput medusae 女王頭 1cm 11 | 21 caput-medusae var.purple紫色女王頭 25

acraspedote medusae：無(wú)緣膜水母

\\"細(xì)胞狀黏菌\\",\\"acrasiomycetes; cellular slime molds\\" | \\"無(wú)緣膜水母\\",\\"acraspedote medusae\\" | \\"排尿無(wú)力\\",\\"acraturesis\\"