Biology, asked by Sumedha263, 18 days ago

Q.14 Write the function of each one of the following:
a) Fimbrae(Oviduct) b)Coleoptile c)Oxytocin

Answers

Answered by Zairakhan15
1

Answer:

Fimbriae. The fimbriae of the uterine tube, also known as fimbriae tubae, are small, fingerlike projections at the end of the fallopian tubes, through which eggs move from the ovaries to the uterus. The fimbriae are connected to the ovary.

Coleoptile is the pointed protective sheath covering the emerging shoot in monocotyledons such as grasses.Coleoptiles have two vascular bundles, one on either side.... When acoleoptile reaches the surface, it stops growing and the flag leaves penetrate its top, continuing to grow along.

The two main actions of oxytocin in the body are contraction of the womb (uterus) during childbirth and lactation. Oxytocin stimulates the uterine muscles to contract and also increases production of prostaglandins which increase the contractions further.

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Answered by SiddharthPaliwal
1

a) Fimbriae

  • They are small, feather-like fingery processes present at the end of the fallopian tubes and connect the ovary to the ampulla.
  • It collects the ovum released from the ovary and transfers it into the fallopian tube.

b) Coleoptile

  • Coleoptile is a sheath present in seeds to protect the developing plumule.

c) Oxytocin

  • It is released by the posterior pituitary gland.
  • It stimulates the contraction of uterine muscles during childbirth (Parturition).
  • It is also helpful in releasing milk from mammary glands.
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