How does the sperm penetrate the zona pellucida?

In a fetus, germ cells are cells that should become sperm in the testicles or eggs in the ovaries. Sometimes these cells don't travel to the right part of the ... The Malignant Germ Cell International Consortium brings together the world's leading experts in germ cell tumors, from across the spectrum of cancer research. Mediastinal germ cell tumors can be classified as teratomas, seminomatous tumors, or non-seminomatous tumors. They have similar histology and treatment ... In this article, we describe various salvage strategies that are used in the management of patients with relapsed germ cell tumors. We generated a gene-edited chicken, in which germ cells can be ablated in a drug-dependent manner, as recipients for gene-edited PGC transfer. Scope. The dataset has been developed for the reporting of both partial and radical orchidectomy specimens from patients of any age with germ cell neoplasia of ... Germ cell tumors of the brain most commonly involve or are found near the pituitary and pineal glands in the brain. Jun 3, 2024 ... Germ cell exfoliation has been described as a predominant finding following administration of phthalate esters and microtubule inhibitors such as colchicine ... Cells on the move: Modulation of guidance cues during germ cell migration. Fly (Austin). 2017;11(3):200–207. PMCID: PMC5552272. Reference Link. 1. Deshpande G ... Aging is a complex process affecting the whole organism. However, little is known on how germ stem cells age in non-mammalian vertebrates despite their ...