outer side, the amniotic sac is connected to the yolk sac, the allantois, and via the umbilical cord, the placenta. The yolk sac, amnion, chorion, and allantois... 10 KB (1,168 words) - 15:57, 11 February 2024 |
Vitelline duct (redirect from Yolk-stalk) vitellointestinal duct, the yolk stalk, the omphaloenteric duct, or the omphalomesenteric duct, is a long narrow tube that joins the yolk sac to the midgut lumen... 4 KB (431 words) - 12:20, 23 April 2024 |
Blighted ovum (redirect from Empty sac) the trophoblast. When small, the sac cannot be distinguished from the early normal pregnancy, as there may be a yolk sac, though a fetal pole is not seen... 6 KB (511 words) - 03:59, 8 April 2024 |
Fetal membranes (section Yolk sac) chorion, allantois, and yolk sac. The amnion and the chorion are the chorioamniotic membranes that make up the amniotic sac which surrounds and protects... 16 KB (1,878 words) - 16:07, 27 April 2024 |
Endodermal sinus tumor (redirect from Yolk sac tumor) Heikinheimo M (Dec 1999). "Transcription Factor GATA-4 Is Expressed in Pediatric Yolk Sac Tumors". American Journal of Pathology. 155 (6): 1823–9. doi:10... 9 KB (887 words) - 11:14, 23 January 2024 |
Chorion (redirect from Chorionic sac) reptiles (amniotes). It develops from an outer fold on the surface of the yolk sac, which lies outside the zona pellucida (in mammals), known as the vitelline... 11 KB (1,223 words) - 16:02, 18 January 2024 |
Each primitive aorta anteriorly receives the vitelline vein from the yolk-sac, and is prolonged[clarification needed] backward on the lateral aspect... 2 KB (199 words) - 14:31, 14 August 2023 |
The fetal pole is a thickening on the margin of the yolk sac of a fetus during pregnancy. It is usually identified at six weeks with vaginal ultrasound... 850 bytes (82 words) - 12:39, 16 August 2023 |
extraembryonic membranes in birds, reptiles, and mammals: the yolk sac which surrounds the yolk, the amnion which surrounds and cushions the embryo, the allantois... 2 KB (266 words) - 14:51, 11 December 2023 |
chicken egg, with only a round yolk sac A non-viable fertilized chicken egg, with a thin blood ring encircling the yolk A fertilized chicken egg, 11 days... 4 KB (474 words) - 19:28, 19 October 2023 |
fish are called larvae. They are usually poorly formed, carry a large yolk sac (for nourishment), and are very different in appearance from juvenile and... 62 KB (6,455 words) - 06:05, 26 April 2024 |
pleural sac Synovial sac, joint component Venom sac, in venom-secreting animals Vestibular sacs (disambiguation) Viscid sac Vocal sac Yolk sac Sacramento... 5 KB (658 words) - 21:21, 16 February 2024 |
Egg (section Egg size and yolk) the remains of the yolk in a yolk sac which continues to nourish the larvae for a few days as they learn how to swim. Once the yolk is consumed, there... 41 KB (4,668 words) - 21:16, 6 January 2024 |
stalk. Here, the gut tube maintains an attachment to the yolk sac. The yolk sac is a membranous sac attached to the embryo, which provides nutrients and functions... 16 KB (2,084 words) - 19:40, 3 December 2023 |
Ovarian germ cell tumors (section Yolk sac tumor) malignancies. There are four main types of OGCTs, namely dysgerminomas, yolk sac tumor, teratoma, and choriocarcinoma. Dygerminomas are Malignant germ cell... 29 KB (3,064 words) - 06:13, 27 December 2023 |