Histo. Endocrine System

Question 1

______ tissue is a group of cells forming part of some organ

Answer 1

unorganized endocrine tisse

Question 2

name 5 unorganized endocrine tissues

Answer 2

Islet of Langerhans
Interstitial cells of testis 
corpus luteum of ovary
endocrine cells of G.I.T
Endocrine cells of planceta 

I.I.C.E.E

Question 3

Name 5 organized endocrine tiss

Answer 3

pituitary
parathyroid 
pineal body 
suprarenal 
thyroid

Question 4

The thyroid gland has two lobes connected by _____

Answer 4

isthmus

Question 5

Thyroid follicules are filled with collid which ___(fxn)_____

Answer 5

store thyroid secretion

Question 6

Follicular (principle cells) have _______epithelium

Answer 6

simple cuboidal

Question 7

Follicular cells of the thryroid secrete _______

Answer 7

Thyroxin

Tri-iodothyronin

Question 8

Thyroxin is secreted by ________ cells of the thyroid

Answer 8

follicular cells

Question 9

Tri-iodothyronin is secreted by ____ cells of the thyroid

Answer 9

follicular cells

Question 10

_______ & ____ activates the metabolic processes and increase the metabolic rate

Answer 10

thyroxin & tri-iodothyronin

Question 11

Parafollicular cells of the thyroid secrete ___

Answer 11

thyrocalcitonin (calcitonin)

Question 12

________ horm suppresses bone resorption and lowers calcium levels of the blood

Answer 12

calcitonin (thyrocalcitonin )

Question 13

2 cells types in the parathyroid

Answer 13

1. principle (chief) : Dark & light cheif cells

2. Oxyphil

Question 14

______ cells of the parathyroid secrete parathormone

Answer 14

Dark Chief

Question 15

Parathorome are secreted by _____

Answer 15

dark chief cells of the parathyroid

Question 16

______ hormone promote bone resorption and liberation of calcium from bones , elevate the calcium levels of blood

Answer 16

parathormone

secreted by dark cheif cells

Question 17

_____ are inactive forms of the dark chief cells

Answer 17

light chief cells

parathyroid

Question 18

_______ cells are degenerative forms of chief cells. Increase with age

Answer 18

oxyphil

Question 19

hypothyroidism leads to a c.c. known as ___ in adults

Answer 19

myxedema

Question 20

hypothyroidism leads to a c.c. in children called __

Answer 20

cretinism

Question 21

Outer zone of the suprarenal

Answer 21

cortex

Question 22

Inner portion of the suprarenal

Answer 22

medulla

Question 23

The medulla of the suprarenal secretes_____

Answer 23

epinephrine and norephrine

Question 24

_______ secrete mineralocorticoids

Answer 24

zona glomerulosa

Question 25

Aldosterone is a _____

Answer 25

mineralocorticoid

Question 26

Fxn of aldosterone

Answer 26

control water and electrolyte balance

Question 27

Zona fasiculata has ___ cells within its zone

Answer 27

spongiocytes

Question 28

zona fasciculata secretes ______

Answer 28

glucocorticoid (cortisol)

Question 29

Cortisol is a ______

Answer 29

glucocorticoid (zona fasciculata)

Question 30

Glucocorticoids (cortisol) fxn

Answer 30

control carb and protein metabolism

Question 31

Zona reticularis secretes____

Answer 31

gonadocorticoid

Question 32

gonadocorticoids secrete____

Answer 32

sex hormones

Question 33

The pituitary gland occupies a depression called ________

Answer 33

hypophyseal fossa

Question 34

The large anterior portion of the pituitary gland

Answer 34

andeohypophysis

Question 35

The small posterior part of the pituitary

Answer 35

neurohypophysis | connected to the brain

Question 36

3 divisions of the andenohyphysis

Answer 36

1. pars distalis 2. pars tuberalis 3. Pars intermedia

Question 37

3 divisions of the neuropophysis

Answer 37

1. Pars posterior 2. infundibular stalk 3. median eminence

Question 38

____ horm stim growth of body tis

Answer 38

Growth horm (somatotrophic hormone STH) | pituitary

Question 39

____ stim the secretion of milk

Answer 39

prolactin | pituitary

Question 40

___ stim the thyroid secretions

Answer 40

follicle stim horm (FSH) | pituitary

Question 41

____ hormone activated ovulation and the development of the corpus luteum in women

Answer 41

``` Luteinizing horm (LH) (pituitary) ```

Question 42

____ hormon stim the secretion of testosterone

Answer 42

Luteinizing horm (ICSH)

Question 43

__ hormone stim the formation of spermatozoa

Answer 43

follice stim horm (FSH) | pituitary)

Question 44

_____ horm stim the secretion of cortical horm of the suprarenal gland

Answer 44

``` Adrenocorticotrophic horm (ACTH) (pituitary) ```

Question 45

______ horm is secreted in the pars intermedia of the pituitary gland

Answer 45

melanocyte stimulating horm (MSH)

Question 46

_____ nuclei of the hypothalmus ending in the neurophypophyis

Answer 46

hypothalmis hypophyseal tract

Question 47

hypothalmis hypophyseal tract arises from _____ & ___

Answer 47

supraoptic & paraventricular nuclei

Question 48

______ are dilated bulbous endings of the fibers of the hypothalmic hyophyseal tract

Answer 48

herrings body

Question 49

_____ are neuroglia that support the nervous elements of the nuerohypophysis

Answer 49

pituicytes

Question 50

____ horm stim smooth m. of the uterus and mammory gland ejection

Answer 50

oxytocin | neurohypo- pituitary

Question 51

2 hormons secreted by the neurohypophysis

Answer 51

1. oxytocin | 2. vasopressin

Question 52

_____ horm reduces urine production by increasing reabsorption of the fluid in the kidneys

Answer 52

vasopressin (antidiuretic horm ADH) | - neurohypo- pituitary)

Question 53

___ hormone causes vasoconstrition

Answer 53

vasopressin

Question 54

___ hormone causes elevation of BP (pituitary)

Answer 54

vasopressin | neurohypo

Question 55

deficiency of _____ horm causes diabetic insipidus

Answer 55

vasopressin

Question 56

deficiency of vasopressin causes _____

Answer 56

diabetes insipidus

Question 57

_____ gland is covered by pia mater

Answer 57

pineal body

Question 58

_____ gland is known as the biological clock

Answer 58

pineal body

Question 59

the pineal body secretes __

Answer 59

melatonin

Question 60

melatonin is made from the neurotransmitter ____

Answer 60

serotonin

Question 61

____ is the sleep hormone

Answer 61

melatonin

Question 62

**_____ horm mobilizes calcium from bone matrix in response to ow levels of ca+ in the blood

Answer 62

parathyroid

Question 63

**C.C. _____ condition results from thyroxin defficiency in the adults and cirtinism in infants

Answer 63

myxedema

Question 64

** __ cells of the pituitary gland secrete prolactin

Answer 64

aciphil

Question 65

** ____ is secreted by parafolliculare cells of the thyroid gland

Answer 65

calcitonin