| 单词 | 卵黄腺 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 卵黄腺 —vitellaria (in biology)vitelline glandsSee also:卵黄 n—embryo n 卵黄—egg yolk 卵 n—egg n • uterus n • sperm n 卵—spawn • ovum
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叶柄紫色，短，叶片长圆形到卵形， 1.4-2.5 * 1.3-1.8 厘米，浓密白色，黄具腺的疏 生，基部宽楔形，先端圆形。 flora.ac.cn | Petiole purple, short, leaf blade oblong to ovate, 1.4-2.5 × 1.3-1.8 cm, [...] densely white puberulent, sparsely yellow glandular, base broadly cuneate, apex rounded. flora.ac.cn |
花下垂，钟状； 花梗1-2 厘米.花被片白色或者浅黄，偶 尔微染与浅紫色，长圆状椭圆形， 2-5 * 1.5-2 厘米；蜜腺卵形， 在背面一个直角凸出。 flora.ac.cn | Tepals white or pale yellow, occasionally tinged with pale purple, oblong-elliptic, 2--5 × 1.5--2 cm; nectaries ovate, projecting [...] at a right angle abaxially. flora.ac.cn |
胸腺是中华鳖免疫系统发育的第一个淋巴器官，来 自 卵黄 囊 的 干细胞在此先分化成小淋巴细胞，然后再迁移至脾脏。 actazool.org | Within the thymus, stem cells from the yolk sac differentiate into small lymphocytes which [...] subsequently migrate to the spleen. actazool.org |
叶片椭圆形，披针形，或很少倒卵状 椭 圆形， 11-21 * 3-6(-10) 厘米，浅绿色，背面干燥时带灰色黄 ， 油 腺 体 透 明、明显，基部楔形，边缘深波状。 flora.ac.cn | Leaf blade elliptic, lanceolate, or rarely obovate-elliptic, 11-21 [...] × 3-6(-10) cm, pale green, abaxially grayish yellow when dry, oil glands pellucid and conspicuous, base cuneate, margin sinuate. flora.ac.cn |
采用常规孵化的中华鳖胚胎为材料，对不同发育时期造血和免疫器官进行了组织学研究， 描述了卵黄囊、胸腺、肝 、脾、肾以及骨髓的形态结构变化。 actazool.org | The ontogeny of hemopoietic and immune organs in the Chinese soft shelled turtle, Trionyx sinensis , was studied and the morphological characteristics of two to three embryos from each embryonic stage described with histological examination. actazool.org |
雄花 正面的腺体，长卵形或 倒卵形，1/2-2/3倍于苞片； 雄蕊2； 花丝spacirca具短绒毛，约 * 倍于苞片； 花药黄，卵球形的长圆形。 flora.ac.cn | Male flower: gland adaxial, long ovate or obovate, 1/2-2/3 as long as bract; stamens 2; filaments sparsely downy, ca. 3 × as long as bracts; anthers yellow, ovoid-oblong. flora.ac.cn |
粗壮的叶柄，1-2.5厘米，近无毛； 倒卵状披针形，倒卵状长圆形，卵形 的叶片，或椭圆形， 4-16 * 2.5-10 厘米， 背面密被，树胶的腺，黄色短 柔毛沿脉， 具髯毛的在侧脉腋处，正面无毛，基部楔形或宽楔形，很少近圆形，边缘全缘或稀疏有细锯齿， 侧脉8-16在中脉两边各。 flora.ac.cn | Petiole robust, 1-2.5 cm, subglabrous; leaf blade obovate-lanceolate, [...] obovate-oblong, ovate, [...] or elliptic, 4-16 × 2.5-10 cm, abaxially with dense, resinous glands, yellow pubescent along veins, bearded in axils of lateral veins, adaxially [...]glabrous, base [...]cuneate or broadly cuneate, rarely subrounded, margin entire or remotely minutely serrate, apex abrupt or acute, rarely acuminate; lateral veins 8-16 on each side of midvein. flora.ac.cn |
以后随着卵黄发生 的进一步发展,卵母细胞与卵泡细胞的交界面逐步形成一个网状的膜结构屏障,同时在卵巢中可见正在降解的卵母细胞。 actazool.org | With the oocyte development,a membrane like net protective screen structure of the oocyte formed,which indicated the maturity of oocyte. actazool.org |
此后，卵黄囊的 造血干细胞出现在胚体的血循环中，造血功能相继在胚胎 胸 腺 、 肝 、脾、骨髓(可能还包括肾)中产生。 actazool.org | Later in development, hemopoietic [...] stem cells in the yolk sac migrate via blood vessels and yolk sac hemopoietic activity is succeeded by development of the fetal thymus, liver, spleen and [...]bone marrow (possibly kidney). actazool.org |
雄花：花梗7-10毫米；芽卵形体 ，长约2毫米； 萼裂片卵形，3-3.5 * 2-3 毫米，先端锐尖，背面的被星状绒毛，正面无毛； 花瓣狭的长圆形匙形， 6-8 * 约2毫米，钝，无毛，淡黄白色；花盘 腺 体 浅的3裂；雄蕊15-20； 内部花丝合生为毛柱状，长约4毫米；离生的花丝长约的1毫米，被微柔毛。 flora.ac.cn | Male flowers: pedicels [...] 7-10 mm; buds ovoid, ca. 2 mm; calyx lobes ovate, 3-3.5 × 2-3 mm, apex acute, abaxially stellate-tomentose, adaxially glabrous; petals narrowly oblong-spatulate, 6-8 × ca. 2 mm, obtuse, glabrous, yellowish white; disk glands shallowly 3-lobed; [...]stamens 15-20; inner [...]filaments connate into hairy column, ca. 4 mm; free filaments ca. 1 mm, puberulent. flora.ac.cn |
果黄色，椭圆形到卵球形 ，两端狭窄，表面通常粗糙且有柠檬味，通常先端有乳头状突起；果皮厚，难除去； [...] 瓢囊8-11果瓣，浅黄，酸。 flora.ac.cn | Fruit yellow, ellipsoid to ovoid, narrowed at [...] both ends, surface usually coarse and lemon scented, apex usually with a mammilla; [...]pericarp thick, difficult to remove; sarcocarp in 8-11 segments, pale yellow, acidic. flora.ac.cn |
叶对生 叶柄0.8-1.8厘米，基部多少合生； 叶片椭圆形或倒卵形椭圆形， 5-11 * 2.5-5.5 厘米，厚纸质，具腺短尖，浅黄绿色， 侧脉6-8 对，稍突出在两面。 flora.ac.cn | Leaves opposite; petioles 0.8-1.8 cm, base ± connate; leaf blade elliptic or obovate-elliptic, 5-11 × 2.5-5.5 cm, thickly papery, glandular mucronate, pale yellowish green abaxially, deep green and shiny adaxially, base cuneate, margin crenate-serrate, apex acute or obtuse; lateral veins 6-8 pairs, slightly prominent on both surfaces. flora.ac.cn |
肺癌症状 肝癌症状 胃癌症状 血癌症状 乳腺癌症状 卵巢癌症状 宫颈癌症状 脑癌症状 结肠癌症状 胰腺癌症状 前列腺癌症状 淋巴瘤症状 骨癌症状 皮肤癌症状 阴茎癌症状 舌癌症状 睾丸癌症状 口腔癌症状 食道癌症状 鼻咽癌症状 甲状腺癌症状 胆管癌症状 胆囊癌症状 阴道癌症状 肠癌症状 膀胱癌症状 喉癌症状 眼癌症状 肛门癌症状 肾癌症状 肾上腺癌症状 子宫内膜癌症状 多发性骨髓瘤症状 软组织肿瘤症状 十二指肠癌症状 asiancancer.com | Breast Cancer Symptoms Cervical Cancer Symptoms Leukemia Symptoms Lung Cancer Symptoms Lymphoma Symptoms Colon Cancer Symptoms Prostate Cancer Symptoms Brain Tumor Symptoms Skin Cancer Symptoms Pancreatic Cancer Symptoms Liver Cancer Symptoms Bone Cancer Symptoms Ovarian Cancer Symptoms Stomach Cancer Symptoms Oral Cancer Symptoms Esophageal Cancer Symptoms Nasopharyngeal Cancer Symptoms Thyroid Cancer Symptoms bile duct cancer symptoms Gallbladder Cancer Symptoms Bowel Cancer Symptoms Bladder Cancer Symptoms Throat Cancer Symptoms Eye Cancer Symptoms Kidney Cancer Symptoms Adrenal Cancer Symptoms Multiple Myeloma Symptoms Soft Tissue Cancer Symptoms Duodenal Cancer Symptoms Testicular Cancer Symptoms Penile Cancer Symptoms asiancancer.com |
在早发现早治疗癌症、特别是妇女惟患 的 卵 巢癌 和乳腺癌方面，我们取得了进展。 daccess-ods.un.org | We have made progress on early cancer detection in order to provide treatment at an early stage, particularly for women with uterine or breast cancer. daccess-ods.un.org |
叶柄1-3厘米，纤细，短柔毛，具长柔毛，具 柄 腺 体； 叶片宽卵形， 长圆形，或长圆形倒卵形， 6-12 * 4-9 [...] 厘米，背面的具柔毛的特别是沿脉，正面具柔毛或无毛，基部心形，边缘不规则和有粗锯齿，浅裂在中部以上，先端短尖的渐尖的或尾状； 侧脉9或10在中脉两边各。 flora.ac.cn | Petiole 1-3 cm, slender, [...] pubescent, villous, stipitate glandular; leaf blade broadly [...]ovate, oblong, or oblong-obovate, 6-12 [...]× 4-9 cm, abaxially pilose especially along veins, adaxially pilose or glabrous, base cordate, margin irregularly and coarsely serrate, lobed above middle, apex mucronate-acuminate or caudate; lateral veins 9 or 10 on each side of midvein. flora.ac.cn |
叶柄7-12(-22)毫米，密被绒毛，疏生具 柄 腺 体； 叶片卵形圆形到宽卵形或倒卵形， 4-12 * 3-9 厘米，纸质，具柄腺体幼 时，密被绒毛，正面疏生短柔毛特别是沿脉，基部心形，边缘不规则和重锯齿， 侧脉5-7在中脉两边各。 flora.ac.cn | Petiole 7-12(-22) mm, densely tomentose, [...] sparsely stipitate glandular; leaf blade ovate-orbicular to broadly ovate or obovate, 4-12 × 3-9 cm, papery, abaxially stipitate glandular when young, densely tomentose, adaxially sparsely pubescent especially along veins, base cordate, [...]margin irregularly [...]and doubly serrate, apex abruptly acuminate from suborbicular, apical portion of leaf; lateral veins 5-7 on each side of midvein. flora.ac.cn |
必须强调的是，墨西哥由国家负担所有 18 岁和 18 岁以下青年的癌症以及所有妇女的子宫颈 癌、卵巢癌或乳腺癌等 疾病的护理和治疗费用。 daccess-ods.un.org | It is important to underline that the Mexican [...] State covers the cost [...] of cancer care and treatment for all young people aged 18 or under, and all women with cervical, uterine or breast cancer, among many others. daccess-ods.un.org |
很多研究已经证明对鼠类有驱赶作用的2，2-二甲基硫代环丁烷和2-丙基硫代环丁烷 在 黄 鼬 肛 腺 分 泌 物同时存在, 说明黄鼬肛腺分泌物对鼠类可能有很强的驱避作用。 actazool.org | Many studies have documented that synthetic 2,2-dimethylthietane and 2-propylthietane were effective rodent repellents, and since both 2,2-dimethylthietane and [...] 2-propylthietane [...] occurred in the Siberian weasel, the anal sac secretions of Siberian weasels may be highly [...]repellent to rodents. actazool.org |
小穗椭圆形到卵形或近球形，2-3毫米 ， 黄 ， 棕 色，橙或紫色； 更低的颖片1/3-1/2倍于小穗； 关于倍于小穗的上面颖片，5-7(-9)脉，钝； 更低的外稃等于小穗，5-7脉； 狭窄的下部的内稃无的或，可达1/2的倍于外稃； 上面小花黄的或橙黄色，长圆形或卵 形 长 圆形，成熟时软骨质，落叶，好对平滑和发亮的具皱纹。 flora.ac.cn | Spikelets elliptic to ovate or subglobose, 2–3 mm, yellow, brown, orange or purple; lower glume 1/3–1/2 as long as spikelet; upper glume about as long as spikelet, 5–7(–9)-veined, obtuse; lower lemma equal to spikelet, 5–7-veined; lower palea absent or narrow, up to 1/2 as long as lemma; upper floret yellow or orange-yellow, oblong or ovate-oblong, cartilaginous, [...] deciduous at maturity, [...]finely rugose to smooth and shiny. flora.ac.cn |
albidoflora是不同的：花开放的近平(VS钟状)，花被2-3厘米（VS 3-5毫米），以及蜜腺圆形（VS.卵形） ，长约6毫米在花被之上。 flora.ac.cn | Rix also notes that F. albidoflora may be distinct from F. verticillata differing as follows: flowers opening nearly [...] flat (vs. campanulate), tepals 2--3 cm (vs. [...] 3--5 cm), and nectaries orbicular (vs. ovate), ca. 6 mm [...]above base of tepal. flora.ac.cn |
叶子全部基生；托叶三角形； 叶柄5-19厘米，长硬毛状柔毛或疏生长柔毛； [...] 叶片正面在脉间或接近脉的角上通常 粉 黄 绿 到 白色， 斜 卵 形 或 近圆形， 5-20 * 4-13 厘米， 通常有角度地浅裂， [...] 背面的稀少或者适中多毛的在脉上，正面具柔毛，稀少被绒毛，或者非常稀少微糙，基部5或6脉，第三脉细，随机网状，基部深心形，边缘细齿或细圆齿，先端渐尖或锐尖。 flora.ac.cn | Leaves all basal; stipules triangular; petiole 5-19 cm, hirsute-villous or sparsely villous; blade adaxially often pale [...] green to white on angles between [...] or near veins, obliquely ovate or suborbicular, 5-20 × [...]4-13 cm, often angularly shallowly [...]lobed, abaxially sparsely or moderately hirsute on veins, adaxially pilose, sparsely tomentose, or very sparsely scaberulous, basally 5- or 6-veined, tertiary veins fine, randomly reticulate, base deeply cordate, margin denticulate or crenulate, apex acuminate or acute. flora.ac.cn |
结果表明，类核周体为线粒体、高尔基体、内质网等膜性细胞器聚集的场所；线粒体自身也可演变 成 卵黄 前 颗 粒，参与构 成 卵黄 小 板的成分；吞饮泡和髓样小体是卵母细胞利用外 源 卵黄 物 质 的中间媒介。 actazool.org | Vitellogenesis in nonmammalian verteberate species results from the harmonious activity of the ooplasm and the organelles. Vitellogenesis is the consequence of whole cell activity, therefore intracellular pathways involved in vitellogenesis are diverse rather than unitary. actazool.org |
尽管黄鼬肛腺成分 的组成和鼬属其它种存在很大的相似性，但是成分组成的种间差异很明显。 actazool.org | Although the chemical constituents of [...] the anal sac secretion of siberian weasels had great [...]similarity to those of other Mustela [...]species, inter species differences between them and other Mustela species existed. actazool.org |
托叶钻形，2-3毫米，早落；2-4厘米的叶柄，先端或基部的中脉具2柄和杯 状 腺 体 ；叶 片 卵 形 ， 卵 状 椭 圆形，或者长圆形， 4-10 * 2-6 厘米，正面的毛逐渐的脱落，但是宿存毛粗糙，基部圆形到稍心形，边缘不清楚地有细锯齿，在齿之间有时具腺，先端钝到短渐尖；基部脉3(-5)，侧脉（3或）4或5。 flora.ac.cn | Petiole 2-4 cm, apex or base of midrib with 2 [...] stalked and cupular glands; leaf blade ovate, ovate-elliptic, [...]or oblong, 4-10 × 2-6 cm, [...]adaxial hairs gradually deciduous, but persistent hairs rugged, base rotund to slightly cordate, margins obscurely serrulate, sometimes glandular between teeth, apex obtuse to shortly acuminate; basal veins 3(-5), lateral veins (3 or)4 or 5. flora.ac.cn |
茎粗壮，对6米叶柄来说攀援厘米，粗壮，具群正 面 腺 体； 叶片卵形或卵形长 圆形，8-17和#215； 4-6.5厘米，干燥时革质，基部圆形，先端锐尖的或短渐尖； [...] 侧脉5或6对，隆起，上升，靠近边缘网结。 flora.ac.cn | Stems stout, climbing to 6 m. Petiole 1-2 cm, stout, [...] with a group of adaxial glands; leaf blade ovate or ovate-oblong, [...]8-17 × 4-6.5 cm, leathery [...]when dry, base rounded, apex acute or short acuminate; lateral veins 5 or 6 pairs, elevated, arcuate ascending, anastomosing near margin. flora.ac.cn |
叶具小叶3-5(-11)； 小叶叶片卵形，椭圆形，或有时倒卵 形， ( 2-)4-9(-20) * (1-)2-3.5(-7) 厘米， 油腺体多 数， 中脉正面平或凹陷，被微柔毛，网状细脉干时稍具脊，基部对称，边缘圆齿，具或不具刺，先端钝，圆，具短尖头或渐尖，通常顶微凹。 flora.ac.cn | Leaves 3-5(-11)-foliolate; leaflet blades ovate, elliptic, or [...] sometimes obovate, (2-)4-9(-20) × (1-)2-3.5(-7) cm, oil glands numerous, midvein adaxially [...]plane or impressed [...]and puberulent, reticulate veinlets slightly ridged when dry, base symmetric, margin crenate and with or without spines, apex blunt, rounded, mucronate, or acuminate, usually with a retuse tip. flora.ac.cn |
托叶部分抱茎，深裂，具腺柔毛； 叶柄2-6厘米，没有腺体，短柔毛，紧密的毛被，平展的， 具 腺 柔 毛； 卵形叶 片宽卵形到长圆形， ( 3-)4.5-13 * (2.5-)4-12 厘米， 膜质， 具腺缘毛， 在背面远端部分内有短柔毛的具小蜜腺，正面被绢毛，混有偶有腺毛，基部心形，3裂或者不裂，边缘不规则波状，先端锐尖。 flora.ac.cn | Stipules partly clasping, deeply parted, glandular pilose; petiole 2-6 cm, without glands, pubescent, indumentum dense, spreading, glandular pilose; leaf blade broadly ovate to oblong-ovate, (3-)4.5-13 × (2.5-)4-12 cm, membranous, glandular ciliate, abaxially pubescent with small nectaries in distal part, adaxially sericeous, mixed with occasional glandular hairs, base cordate, 3-lobed or unlobed, margin irregularly undulate, apex acute. flora.ac.cn |
叶柄1-4厘米，短柔毛，很少疏生腺体，有时羽状的有毛的近基部； 叶片近圆形， 4-9 * 4.5-11 厘米，和黄具腺的背面具短柔毛，被微柔毛幼时，后脱落，基部心形； [...] 裂片3-5，宽三角形，锐的有锯齿的粗边缘不规则，先端锐尖； 有点的顶生的裂片长于侧生的。 flora.ac.cn | Petiole 1-4 cm, pubescent, rarely sparsely glandular, sometimes plumose hairy near base; leaf blade [...] suborbicular, 4-9 × 4.5-11 cm, [...] abaxially pubescent and yellow glandular, adaxially puberulent [...]when young, glabrescent, base [...]cordate; lobes 3-5, broadly triangular, margin irregularly coarsely sharply serrate, apex acute; terminal lobe somewhat longer than lateral ones. flora.ac.cn |
在卵黄发生 近结束以后,在卵母细胞的表面,逐步形成两层卵膜,这时的卵母细胞质中几乎充满 了 卵黄 体 和 脂肪滴。 actazool.org | In matured oocyte surface,two distinct layers were identified,the outer layer,which appears denser than inner layer,was formed by follicular cell,probably from the numerous fibrillar materials in the cytoplasm of the follicular cell of the final stage of secondary vitellogenesis;inner layer which was finer and more lucent was formed by oocyte itself. actazool.org |
乔木给60米高； 树干直径达2米；树皮暗棕色，厚的剥落； 狭的树冠圆筒状的或金字塔； 小枝下垂，淡黄灰色或黄色穿1 和2年，最后深灰色，无毛或被短柔毛； 带褐色黄，圆锥状卵球形 的冬芽，树脂的稍，鳞片稍小枝的开阔的的在基部。 flora.ac.cn | Trees to 60 m tall; trunk to 2 m d.b.h.; bark dull brown, thickly flaking; crown cylindric or narrowly pyramidal; [...] branchlets pendulous, [...] yellowish gray or yellow in 1st and 2nd years, finally dark gray, glabrous or pubescent; winter buds brownish yellow, conical-ovoid, slightly resinous, [...]scales slightly [...]opening at base of branchlets. flora.ac.cn |
英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。