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  2. Optic vesicle - Wikipedia

    en.wikipedia.org/wiki/Optic_vesicle

    These diverticula make their appearance before the closure of the anterior end of the neural tube; [1] [2] after the closure of the tube around the 4th week of development, they are known as the optic vesicles. Previous studies of optic vesicles suggest that the surrounding extraocular tissues – the surface ectoderm and extraocular mesenchyme ...

  3. Optic stalk - Wikipedia

    en.wikipedia.org/wiki/Optic_stalk

    The optic vesicles project toward the sides of the head, and the peripheral part of each expands to form a hollow bulb, while the proximal part remains narrow and constitutes the optic stalk. [1] [2] Closure of the choroidal fissure in the optic stalk occurs during the seventh week of development. The former optic stalk is then called the optic ...

  4. Otic vesicle - Wikipedia

    en.wikipedia.org/wiki/Otic_vesicle

    Fgf3 and Fgf10 are suggested to play a role in otic induction in mice, as were Msx genes suggested to play a role in otic vesicle formation in chicks. Pax8 is expressed during the entirety of otic vesicle formation. Other genes found in the otic vesicle across species that may play a role in patterning include Hmx, Fox, Dlx, and Gbx genes.

  5. Vet-Approved Home Treatment for Senior Dogs with Arthritis - AOL

    www.aol.com/vet-approved-home-treatment-senior...

    Related: Dog Arthritis Symptoms and Home Pain Remedies There are several things you can do at home to help an older dog with arthritis, including changing her diet. Photo by manfredxy, Canva

  6. Collie eye anomaly - Wikipedia

    en.wikipedia.org/wiki/Collie_eye_anomaly

    Failure of the cells of the posterior portion of the optic vesicles to express growth hormone affects the differentiation of other cells of the eye. The choroid, especially lateral to the optic disc, is hypoplastic (underdeveloped). A coloboma, or hole, may form in or near the optic disc due to a failed closure of embryonic tissue.

  7. Neural crest - Wikipedia

    en.wikipedia.org/wiki/Neural_crest

    The neural crest is a ridge-like structure that is formed transiently between the epidermal ectoderm and neural plate during vertebrate development. Neural crest cells originate from this structure through the epithelial-mesenchymal transition, and in turn give rise to a diverse cell lineage—including melanocytes, craniofacial cartilage and bone, smooth muscle, dentin, peripheral and enteric ...

  8. Choking emergency? How to do the Heimlich maneuver - AOL

    www.aol.com/choking-emergency-heimlich-maneuver...

    Sharply hit the baby on their back, firmly but not hard enough to injure them, up to five times, the health care system advised. Recommended Heimlich maneuvers vary between adults and children.

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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