Why Do Many Viable Seeds Not Germinate Even When Supplied With All The Essentials?
Despite being supplied with appropriate oxygen, water and a suitable temperature, several viable seeds do not germinate as they are... View Article
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Does The Castor Bean Embryo Contain Ricin?
The castor bean embryo is implanted in a huge endosperm. The embryo comprises two thin cotyledons, a small epicotyl, a... View Article
What Remains When The Seed Coat Of A Soaked Bean Is Peeled?
When the seed coat of a soaked bean is peeled, the embryo remains, the endosperm is absent. The bean embryo... View Article
What Does The Complete Sexual Cycle In The Development Of A Flower Involve?
The development of a flower begins the sexual reproduction cycle in all flowering plants. The role of the flower is... View Article
What Is The Zona Reticularis?
Out of the three cortical zones, the innermost one is the zona reticularis having the capability to secrete adrenal androgens,... View Article
What Are The Types Of Stimuli Which Can Induce A Stress Response?
They are as follows – Chemical – acid-base imbalance, decreased oxygen supply Physical – intense cold or heat, surgery, trauma,... View Article
What Are Lactotropic Cells?
Lactotropic cells are also known as epsilon acidophil, prolactin cell, lactotroph, etc in cells in the anterior pituitary producing prolactin... View Article
What Is Multiple Endocrine Neoplasia?
Multiple Endocrine Neoplasia (MEN) are inherited ailments. This ailment leads to more than one gland in the endocrine system of... View Article
What Is Sheehan’s Syndrome?
Also known as postpartum pituitary insufficiency or postpartum hypopituitarism, Sheehan’s syndrome can take place in a woman having adverse uterine... View Article
What Is Secondary ESS?
Secondary ESS is the outcome of the pituitary gland relapsing in the cavity after surgery, injury or radiation therapy. A... View Article
When Does Primary ESS Occur?
Primary ESS is a type of ESS that takes place when a minute anatomical defect seen above the pituitary gland... View Article
What Is The Empty Sella Syndrome?
Empty Sella Syndrome or ESS is a disorder involving the sella turcica which is a bony structure found at the... View Article
What Is Rathke’s Cleft Cyst?
Gradually, the Rathke’s pouch forms the pituitary gland and typically closes early in the foetal development. A remnant can remain... View Article
What Is Craniopharyngioma?
Craniopharyngioma is a type of cystic mass or tumour which is congenital and rare. They exert pressure on the hypothalamus... View Article
What Is The Role Of The Hypothalamus In The Functioning Of The Pituitary Gland?
The hypothalamus serves as a communication centre for pituitary glands by sending signals or messages to the pituitary as hormones... View Article
Where Is The Pituitary Gland Located?
The pituitary gland is of the size of a pea, found in a bony hollow just behind the bridge of... View Article
What Is The Diphtheria Toxin?
Corynebacterium diphtheriae produced the diphtheria toxin which is a bacterial exotoxin of the A/B prototype. It comprises two parts: subunit... View Article
What Is Macropinocytosis?
Macropinocytosis is an endocytic mechanism involved in fluid uptake. Viruses that belong to adeno, vaccinia, picorna and other viruses families... View Article
What Are The Types Of Viral Entries Into Cells?
Viruses can enter cells that are covered by phospholipid bilayer, serving as the cell’s natural barrier to their immediate environment.... View Article
What Are The Types Of Exocytosis?
There are two types of exocytosis – Constitutive exocytosis – without the need for any particular type of signal, secretory... View Article
