Question

Write the function of each one of the following
(i) Fimbriae (oviducal)
(ii) Coleoptile
(iii) Oxytocin

Answer 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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Answer 2

Fimbriae :

The edges of infundibulum possess finger like projection called Fimbriae.

Helps in collection of the ovum after ovulation

Coleoptile

Coleoptile is the pointed protective sheath covering the emerging shoot in monocotyledons such as grasses in which few leaf primordia and shoot apex of monocot embryo remain enclosed.

Oxytocin

Oxytocin has been best known for its roles in female reproduction. It is released in large amounts during labor, and after stimulation of the nipples. It is a facilitator for childbirth and breastfeeding. One of the oldest applications of oxytocin as a proper drug is as a therapeutic agent during labor and delivery. It is a stimulant widely employed to induce or augment labor, especially at term, when adequate oxytocin receptors are present. It is also one of the principal uterotonic drug used to prevent post partum hemorrhage

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