Structure of human spermatozoon, Biology

Assignment Help:
Structure of human spermatozoon:
  • Nature: Human sperms are minute, microscopic and motile.
  • Structure: Each sperm have an oval shaped head piece, a neck, a middle piece and a long tail.
  • Head piece : An oval head piece consists of a large haploid nucleus. In addition to this, a sac like structure called acrosome is present in the head piece which helps in fertilization.
  • Neck: The neck is short and connects the head with the middle piece.
  • Middle piece: It lies between head and tail middle piece is large and tubular and has several mitochondria, which produce energy required for movements of sperms.
  • Tail piece: Tail piece is long and helps in swimming of sperms to reach ovum during fertilization.
  • Life span - Sperms live for a period of 24 to 72 hours.

Related Discussions:- Structure of human spermatozoon

Illustrate the structure and functions of aqueous humour, Illustrate the St...

Illustrate the Structure and functions of aqueous humour Aqueous humour is a clear fluid that fills the anterior and posterior chambers of the eye and permeates the vitreous. I

State the definition of soil, State the definition of soil The definiti...

State the definition of soil The definition of soil has changed a great deal from a thin "outer layer of  Earth's crust" to "a collection of natural bodies on the surface of th

Explain the physiological effects of ingestion of fibres, Explain the Physi...

Explain the Physiological effects of ingestion of fibres? Physiological effects of ingestion of fibres with adsorption properties are: 1. Diminished absorption of lipids. Wi

Placement of implant with improper axial angulation, Placement of implant w...

Placement of implant with improper axial angulation Surgical placement of the implant improperly can lead to a prosthetic rehabilitation that compromises esthetics and the dist

Psilopsida, why sporophyte of psilopsida is rootless

why sporophyte of psilopsida is rootless

Parasitic adoptaion in animal, #question.what do u mean by parasitic habit....

#question.what do u mean by parasitic habit.give account of various parasitic adoptation in animal.

Explain the competitive behaviour of social animal group, Explain the Compe...

Explain the Competitive behaviour of social animal group dominance behaviours removal of individuals to other groups which minimises inbreeding eg lions, apes.

Agro industrial-processing of roughage, Processing of roughage Roughag...

Processing of roughage Roughages constitute the bulk of the ration of farm animals and these include green fodder (leguminous and non-leguminous), grasses, and various crop re

Give three examples of cell structures, Give three examples of cell structu...

Give three examples of cell structures which contain structural proteins. What is the other type of protein in a cell? (a) Cytoplasm, the cell membrane, memb

Cyclostomes - regeneration in vertebrates, Cyclostomes - Regeneration in Ve...

Cyclostomes - Regeneration in Vertebrates The larvae of the lampreys between the jawless primitive fishes are able to regenerate their amputated tail. Blastema is made at the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd