Results 91 to 100 of about 42,639 (193)

Yolk sac development in lizards (Lacertilia: Scincidae): New perspectives on the egg of amniotes

, 2017
Embryos of oviparous reptiles develop on the surface of a large mass of yolk, which they metabolize to become relatively large hatchlings. Access to the yolk is provided by tissues growing outward from the embryo to cover the surface of the yolk.
Stewart, James R., Thompson, Michael B., Michael B. Thompson, James R. Stewart   +3 more
core   +1 more source

Primary Extragonadal Retroperitoneal Pure Yolk Sac Tumor

, 2009
We describe a rare case of an extragonadal retroperitoneal pure yolk sac (endodermal sinus) tumor in the paraaortic region. Radiologic investigation, which included abdominal ultrasound ,computed tomography (CT), and magnetic resonance imaging (MRI ...
Deniz, Nuri, Bayrak, Reyhan, Çimentepe, Ersin, Bayrak, Ömer, Ünal, Doğan, Karataş, Ömer Faruk   +5 more
core   +2 more sources

The Human Yolk Sac and Yolk Sac Tumors [PDF]

Journal of Clinical Pathology, 1994
openaire   +1 more source

Nomogram for predicting testicular yolk sac tumor in children based on age, alpha-fetoprotein, and ultrasonography

Frontiers in Pediatrics
ObjectiveTo establish a predictive model for distinguishing testicular benign or yolk sac tumors in children.MethodsWe retrospectively analyzed data for 119 consecutive patients with unilateral testicular tumors treated at a single institution from June ...
Huan Yu, Hui Wang, Yichen Huang, Huiyong Hu, Yue Zhang, Min Wu, Yiqing Lyu, Yan Chen, Lijun Zhou, Yan Liang, Huizhen Sun, Xiaoling Lin, Hua Xie, Fang Chen   +13 more
doaj   +1 more source

Immunophenotyping of CD117⁺ yolk sac cells.

, 2013
Representative flow cytometric data from more than three independent analyses were shown. The cells were fluorescently stained with CD117-PE. To show the CD117+ cell purity, CD117+ yolk sac cells before separation were shown on the left panel; CD117 ...
Tan Yang (441888), Qiang Ma (441889), Wenting Huang (381185), Hong Wang (13528), Wei Wang (17594), Shuo Yang (209399), Liqiao Guo (441886), Zhen Li (49109), Jie Zhu (126574), Liping Wang (33601), Suhan Wang (441887), Yongyi Bi (205043)   +11 more
core   +1 more source

Ovarian Yolk Sac Tumors: Is Fertility Preservation Possible?

Yolk sac tumors make up 14 to 20 of all malignant ovarian germ cell tumors. Serum alpha-fetoprotein (AFP) levels are elevated in a significant number of patients and are useful for monitoring the response to treatment and for post-treatment surveillance.
Nazemi, M., Behnamfar, F., Mohamadi, B.
core   +2 more sources

Yolk Sac [PDF]

, 2020
openaire   +1 more source

Burned-out Metastatic Yolk Sac Tumour: A Rare Case Report

JK Science
Burned-out testicular tumor is a very rare clinical entity. There are no clinical findings in the testicle because it regresses spontaneously without any treatment and generally presents with metastases.
Jyoti Mishra, Monal Trisal, Anshu Gupta
doaj  

Primary Yolk Sac Tumor of the Endometrium: A Case Report and Comprehensive Literature Review. [PDF]

Case Rep Pathol
Cheng H, Song Y, Shi SS.
europepmc   +1 more source

The vertebrate yolk sac: evolutionary origins and current advances in in vitro models. [PDF]

Development
Blagrove JR, Orsi AER, Cindrova-Davies T, Niakan KK.   +3 more
europepmc   +1 more source