Usage of "yolk sac" | TermGallery

Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional.

Синонимы

Examples for "vitelline sac"

This is the yelk-sac, or " umbilical vesicle," the origin of which we have considered previously. 
 The Evolution of Man — Volume 1 

The yelk-sac is reduced to a small pear-shaped umbilical vesicle; its thin pedicle, the long vitelline duct, is enclosed in the umbilical cord. 
 The Evolution of Man — Volume 1 

These vessels naturally atrophy with the degeneration of the umbilical vesicle, and the vitelline circulation is replaced by a second, that of the allantois. 
 The Evolution of Man — Volume 1 

H The vertebrae (w) have grown round the medullary tube (mr) and chorda; the body-cavity is closed, and the umbilical vesicle has disappeared. 
 The Evolution of Man — Volume 1 

The very wide opening, through which the gastric cavity at first communicates with the umbilical vesicle, becomes narrower and narrower, and at last disappears altogether. 
 The Evolution of Man — Volume 1 

Использование термина yolk sac на английском

In mice, Ins2 is imprinted and paternally expressed in the yolk sac. 
 Pubmed 

All six ovarian yolk sac tumors showed diffuse immunoreactivity for glypican-3. 
 Pubmed 

Chemotherapy of yolk sac tumor heterotransplanted to nude mice was studied. 
 Pubmed 

Ovarian yolk sac tumors are common germ cell tumors usually arising in young women. 
 Pubmed 

The patient underwent a surgical biopsy, which defined the diagnosis of yolk sac tumor. 
 Pubmed 

Gastric adenocarcinoma with yolk sac tumor (YST) differentiation has rarely been reported. 
 Pubmed 

Tissue-resident macrophages can develop from circulating adult monocytes or from primitive yolk sac-derived macrophages. 
 Pubmed 

Our results support the contribution of the yolk sac as a source of microglial precursors. 
 Pubmed 

Percutaneous biopsy of the tumor suggested yolk sac tumor. 
 Pubmed 

Furthermore, Wnt-reporter activity was also detected in the blood islands of the mouse yolk sac. 
 Pubmed 

Analysis of knockout embryos revealed severe defects in the reorganization of the yolk sac vascular plexus. 
 Pubmed 

Gastric carcinoma with yolk sac tumor component is a rare entity with a poor prognostic outcome. 
 Pubmed 

This study thus identifies a molecule crucial for vascular patterning in embryonic yolk sac and brain. 
 Pubmed 

The YST-1 tumor cells preserve the histological appearance of a human yolk sac tumor and produce x-fetoprotein. 
 Pubmed 

Tech There's the yolk sac, and you can just barely see the heartbeat there, if you look. 
 Assholes finish first 

Two other imprinted genes from the same cluster are also expressed monoallelically in the human yolk sac. 
 Pubmed 

Язык интерфейса

Значения термина yolk sac на английском