connecting stalk


connecting stalk
a bridge of mesoderm connecting the caudal end of the early embryo with the trophoblastic tissues and eventually giving passage to embryonic blood vessels connecting with the placenta; it is the precursor of part of the umbilical cord. Called also body s.

Medical dictionary. 2011.

Look at other dictionaries:

  • Connecting stalk — Latin pedunculus connectans Code TE E5.11.3.1.1.0.4 The connecting stalk is a yolk sac diverticulum.[1] It is derived from extraembryonic mesoderm.[2] …   Wikipedia

  • stalk — A narrowed connection with a structure or organ. allantoic s. the narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantoic vesicle …   Medical dictionary

  • stalk´like´ — stalk1 «stk», noun. 1. the stem or main axis of a plant, which rises directly from the root, and which usually supports the leaves, flowers, and fruit: »It is a long green reed, like the stalk of the maize (Fanny Kemble). 2. any slender,… …   Useful english dictionary

  • stalk — stalk1 stalklike, adj. /stawk/, n. 1. the stem or main axis of a plant. 2. any slender supporting or connecting part of a plant, as the petiole of a leaf, the peduncle of a flower, or the funicle of an ovule. 3. a similar structural part of an… …   Universalium

  • stalk — I. noun Etymology: Middle English stalke; akin to Old English stela stalk, support Date: 14th century 1. a slender upright object or supporting or connecting part; especially peduncle 2. a. the main stem of an herbaceous plant often with its… …   New Collegiate Dictionary

  • stalk — I. /stɔk / (say stawk) noun 1. the stem or main axis of a plant. 2. any slender supporting or connecting part of a plant, as the petiole of a leaf, the peduncle of a flower, or the funicle of an ovule. 3. a similar structural part of an animal. 4 …   Australian English dictionary

  • Yolk stalk — A narrow tube present in the early embryo that connects the midgut of the embryo to the yolk sac outside the embryo through the umbilical opening. Later in development, the yolk stalk is usually obliterated, but a remnant of it may persist: most… …   Medical dictionary

  • yolk stalk — noun : the narrow tubular stalk connecting the yolk sac with the embryo * * * a tubular connection between the yolk sac and the embryonic gut in the developing embryo. [1895 1900] * * * yolk stalk, a narrow, ductlike part that unites the yolk sac …   Useful english dictionary

  • yolk stalk — noun Date: 1900 the narrow tubular stalk connecting the yolk sac with the embryo …   New Collegiate Dictionary

  • body stalk — n the mesodermal cord that contains the umbilical vessels and that connects a fetus with its chorion * * * connecting s …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.