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vichka [17]
3 years ago
9

Which bone would likely take the longest to heal? Select one: a. finger bone of an elderly individual b. thigh bone of an elderl

y individual c. finger bone of a young individual d. thigh bone of a young individual
Medicine
1 answer:
anastassius [24]3 years ago
4 0
The finger bone of an elderly individual is going to take the longest to heal because the healing of a bone is dependent on the blood flow to that area. The elderly already have a weaker blood flow than healthy, young people, so the healing of their bones takes longer. On top of that, the finger gets less blood supply than the thigh bone, so it will take longer to heal than the thigh.
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During foetal stag of development the embryo develops the germinal epithelium of ovary .some of the cells of  germinal epithelium enlarge and divide mitotically . the dividing cells projects into the stroma as a cord known as the egg tube of Pflugar;which later becomes a round mass ,called the egg nest .all these dividing cells are  egg mother cells known as Oogonia.this is derived from the endodermal lining of the embryonic yolk sac which comes to lie in the ovary of the female ( while it is still an  embryo ).

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One cell of the egg nest grows but does not divide furter so as to form the primary oocyte.the primary oocyte is diploid and enters the growth phase.it is dormant stage ,nucleus intact ,female is born with these in her ovary.every month primary oocytes resume oogenesis and start developing growth and development in the onset of puberty.

Hence the correct answer is Primary oocyte.

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