CH CHEMICAL COORDINATION AND INTEGRATION\ Flashcards
What does Endocrine mean
ENDO means within and KRINEIN means to secrete
Which was the first hormone discovered
Secretin
The hypothalamus and Pituitary gland are connected via
Infundibulum
Where is Hypothalamus located
Hypothalamus is located in the basal part of Diencephalon, division of the forebrain
The hypothalamus secretes two major types of hormone, they are
- Releasing hormone
- Inhibiting hormone
The pituitary gland is also k/a
Hypophysis
The pars intermedia release only 1 hormone k/a
Melanocyte Stimulating hormone (MSH)
The posterior pituitary is also k/a ______ or _______
Neurohypophysis or Pars Nervosa
_______ is a synthetic oxytocin which is often given to induce labor
Pitocin
What are the hormones stored by Posterior Pituitary
Oxytocin and Vasopressin/ADH
Which gland is k/a the master of master gland
Hypothalamus
________ comprises 75% of the pituitary gland
Adenohypophysis
The anterior pituitary gland consists of two parts they are
Pars distalis and pars intermedia
The pineal gland is also k/a
Epiphysis
The growth hormone is also k/a
Somatotrophin or somatotrophic hormone
Hyposecretion of GH in childhood is k/a ______ and the dwarfs are k/a _______
- Ateleiosis
- Midgets
What is Acromegaly
Excessive secretion of growth hormone in adults
which hormone is responsible for growth of mammary gland
Prolactin
_________ is the largest endocrine gland
Thyroid gland
Pineal gland secretes which hormone
Melatonin
________ doesn’t produce or secrete any hormone of its own.
Neurohypophysis or posterior pituitary gland
The pigment which provides color to the skin
Melanin
which endocrine gland stores it secretory product in large quantity
Thyroid gland
Name all the endocrine gland
- Hypothalamus
- Pituitary gland
- Pineal gland
- Parathyroid gland
- Thyroid gland
- Thymus
- Adrenal gland
- Testes
- Ovaries
- Pancreas
Where is pineal gland located
it is located in the dorsal side of the forebrain
Which hormone plays a vita role in regulation of the 24-hour rhythm of our body
Melatonin secreted by the pineal gland
_______ reduces melatonin formation
Light
What is isthmus
It is a thin flap of connective tissue that connects the two lobes together
T3 or T4 which is more potent?
T3 is more potent but T4 is produced more, so T4 is converted into T3 in the peripheral tissues
What does TCT stands for
Thyrocalcitonin
What is the function of TCT
TCT helps to decrease the Calcium levels in blood
Which hormone works antagonistic to TCT
PTH/ Parathyroid hormone/ Collips hormone
Which hormone is responsible for tissue differentiation
Metamorphosis
Thyroxine has a diabetogenic and calorigenic effect. True/ False
True
What is Cretinism
Hyposecretion of T3/ T4 in pregnant females that affects the growth of foetus
The endocrine portion of the pancreas is
Islets of Langerhans
Which cell of the thyroid gland is responsible for secretion of Glucagon?
alpha cells
Which cells of the thyroid gland secrete Insulin
Beta cells
_____ hormones help to maintain glucose homeostasis in the body
Glucagon and Insulin
What are the two types of Diabetes Mellitus
Type I - IDDM - Insulin Dependent Diabetes mellitus
Type II - IIDM/ NIDDM - Insulin Independent Diabetes Mellitus
How many no. of parathyroid gland are present
4
What is the major role of Thymus Gland
It is the development of the immune system of the body
T- Lymphocytes are involved in _________ immunity
Cell mediated
______ increases blood Calcium levels
Parathormone
What are the hormones secreted by Adrenal medulla
Epinephrine and nor epinephrine
Adrenaline and nor adrenaline are together called as
Catecholamines
Adrenal gland is also called as
Suprarenal gland or Emergency gland
The adrenal cortex is divided into three layers, from inner to outer
- Innermost- Zona Reticularis
- Zona Fasciculata
- Outermost - Zona Glomerulosa
The steroidal hormone secreted by adrenal cortex is
Cortical steroids/ Corticoids
Which zone secretes mineralocorticoids
Zona Glomerulosa
Glucocorticoids secretes 3 hormones, they are
cortisol, cortisone, corticosterone
Which zone secretes Glucocorticoids
Zona Fasciculata
Which zone secretes sex corticoids
Zona Reticularis
In addisons disease, their is deficiency of
Minerlocorticoids and Glucocorticoids
Cortisol is also k/a
Stress hormone
What is Gyanomastia
Development of mammary gland in male
What is Adrenal Virilism
Male characters in female