Trophonema - nemaplex.ucdavis.edu
网页Morphology and Anatomy: All stages:Excretory poreat level of nerve ring. Females:Embedded into the root by the anterior portion. Body coiled, regularly inflated at the median part. Vulva posterior, but not terminal; post-vulval part tapering, ventrally curved; anus and rectum present.
Trophonema Definition & Meaning - Merriam-Webster
网页The meaning of TROPHONEMA is one of the glandular filaments that develop from the inner uterine surface in viviparous elasmobranchs and secrete a nutritive fluid for the embryo.
Trophonema - 生命大百科 - Encyclopedia of Life
网页Trophonema - 生命大百科. 概览. 数据. 地图. 名称. Trophonema是 Tylenchulidae 科中 线虫动物门 的一个属。 EOL有 5个属性 数据，包括： Body symmetry. 两侧对称. 体型. vermiform. cellularity. multicellular. 运动形式. undulatory. 骨骼结构. soft bodied. Trophonema已知的发现、标本收集和观测数量。 在GBIF上查看该物种 。 Trophonema包含 1个子节点: Trophonema arenarium. 查看更多.
Histological description of new specialized reproductive structures …
网页The trophonema is an anthozoan-exclusive aggregation of specialized cells called trophocytes (Eckelbarger et al. 2008). It connects the oocyte to the fertile mesenterial gastrodermis, being responsible for part of its nutrition by transferring yolk precursors (Larkman and Carter 1982 ; Lauretta et al. 2018 ).
trophonema, n. meanings, etymology and more - Oxford English …
网页What does the noun trophonema mean? There is one meaning in OED's entry for the noun trophonema . See ‘Meaning & use’ for definition, usage, and quotation evidence.
First record of a trophonema in black corals (Cnidaria: Antipatharia ...
网页2018年4月5日 · The gametes of many groups of anthozoans contain a funnel-shaped cluster of specialized cells that facilitate the transport of nutritive substances, known as the trophonema. This structure has been found within all orders of anthozoans, with the exception of pennatulaceans, scleractinians, and antipatharians, the …
Trophonema Genus page
网页Definition: Sphaeronematinae. Females elongate-saccate, in the form of a spiral. Lip region not offset, without annules. Body tapering at either end. Spear well developed with rounded basal knobs. Orifice of dorsal oesophageal gland about 1/2 spear length from spear base.
Ultrastructural features of the trophonema and oogenesis in the …
网页2008年12月8日 · Oocytes retain limited contact with the basal gastrodermal epithelium via groups of ultrastructurally modified gastrodermal cells called trophocytes. Trophocytes are monociliated accessory cells of somatic origin that collectively form a structure called the trophonema, a unique accessory cell/oocyte association not observed outside the Cnidaria.
"trophonema" 的意思, 英汉翻译 | 迈迪英汉词典 | dict.la
网页"trophonema" 在迈迪英汉词典的中的解释，配以例句、近义词、构词法等信息，让母语和外语学习都变得更容易。
网页Trophocytes are monociliated accessory cells of somatic origin that col- lectively form a structure called the trophonema, a unique accessory cell/oocyte association not observed outside the Cnidaria. The trophonema consists of 50-60 trophocytes that main- tain contact with < 1 % of the oocyte surface and forms a circular, bowel-shaped depression.
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