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Midline cervical clefts are a rare congenital anomaly resulting from incomplete fusion during embryogenesis of the first and second branchial arches in the ventral midline of the neck. The condition presents as a midline cutaneous defect of the anterior neck with a skin projection or sinus, or as a subcutaneous erythematous fibrous cord.
Breakage-fusion-bridge (BFB) cycle (also breakage-rejoining-bridge cycle) is a mechanism of chromosomal instability, discovered by Barbara McClintock in the late 1930s. [ 2 ] [ 3 ] Mechanism
If terminal fusion (restitutional meiosis of anaphase II or the fusion of its products) occurs, a little over half the mother's genetic material is present in the offspring and the offspring are mostly homozygous. [10] This is because at anaphase II the sister chromatids are separated and whatever heterozygosity is present is due to crossing ...
[2] [3] Fusion status refers to the presence or absence of a fusion gene, which is a gene formed from joining two different genes together through DNA rearrangements. These types of tumors are classified as embryonal rhabdomyosarcoma "because of their remarkable resemblance to developing embryonic and fetal skeletal muscle."
Officials are asking people to disregard social media posts from unvetted sources stating they can volunteer to help with wildfire cleanup in Los Angeles County.. Four active wildfires are burning ...
Klippel–Feil syndrome (KFS), also known as cervical vertebral fusion syndrome, is a rare congenital condition characterized by the abnormal fusion of any two of the seven bones in the neck (cervical vertebrae). [1]: 578 It can result in a limited ability to move the neck and shortness of the neck, resulting in the appearance of a low hairline ...
The U.S. Department of Defense will consider granting honorable discharges to more than 30,000 gay and bisexual veterans who were barred from serving in the military because of their sexual ...
Former Google CEO Eric Schmidt says human-directed AI-controlled drones are the future of war. Schmidt's startup, White Stork, is developing drones for Ukraine to use in its war with Russia.