Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
SPERMEIOGENESIS / SPERMETOLEOSIS
It is the gradual differentiation of a stationary rounded and undifferentiated spermatid into an active and motile sperm.
The spermatids formed as a result of maturation divisions are typical undifferentiated animal cells containing mitochondira, golgi body and centriole but with a haploid set of chromosomes.
In spermeiogenesis following changes take place -
(i) Formation of acrosome
Formation of Acrosome
(ii) Formation of Perforatorium
A rounded small pit present below the nucleus, in this part G actin and Ca++ ions are present. This spaces is called perforatorium space.
(iii) Nuclear changes
(iv) Tail
(v) Formation of mitochondrial spiral and middle piece
(vi) Changes in the cytoplasm
(vii) Sperm sheath
Sperm sheath is form of mucopolysaccharide. It is also called glycocalyx. This sheath probably function as antigen.
What are protein hydrolysates? Proteins that have been treated with enzymes to break them down into amino acids or shorter peptides are referred to as protein hydrolysates.
What is the meaning of Reitan's program Reitan's program can be conceptualised as an effort to demonstrate the usefulness nad accuracy of Halstead's tests and related procedure
If one determines the concentration of cortisol in the blood plasma to be 10 micrograms/mL and that in a 24 hour period a person excretes 10 mgs of cortisol, calculate the volume o
Examination is begun by placing the transducer in left parasternal region, usually in the third or fourth left intercostal space. From this position, a sector image of the heart
Explain the properties or characteristics of dietary fibre? Significant properties / characteristics of dietary fibre that affects its role are: 1) Solubility in water 2)
What are plant hormones? Plant hormones, also known as phytohormones, are substances that control the embryonic development and the growth of the adult plant.
Q. Supportive Therapy for diabetes patient? Certain foods, part of food or food components have been found to be beneficial in managing hyperglycemia. Most of these have been i
PETHIDIN E - Meperidine hydrochloride. Widely used as narcotic analgesic. It has local anesthetic action. METHADON E - It is an orally effective anal
A group working at the University of California, Berkeley has developed "nanothermometers," little nanoparticles that can be injected into cells to measure the temperature in vario
Which parts of the eye refract ('bend') the light in such a way as to form an image on the retina? The curved surface of the cornea, and the aqueous humour enclosed by it,
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd