EPITHELIAL TISSUE ( 7.1.1 )

Question 1

EPITHELIAL TISSUES ARE DERIVED FROM ?

Answer 1

3 PRIMARY GERM LAYERS

Question 2

CHARECTERISTIC OF THIS TISSUE ?

Answer 2

CELLS COMPACTLY PACKED VERY LESS INTERCELLUAR SPACE.

Question 3

EPITHELIUM RESTS ON ?

Answer 3

BASEMENT MEMBRANE

Question 4

EPITHELIAL TISSUE IS A VASCULAR THEN WHERE DO THEY GET NUTRIENTS FROM ?

Answer 4

THEY OBTAIN NUTRIENTS FROM BLOOD VESSELS FROM THE NEAREST CONNECTIVE TISSUE THROUGH DIFFUSION

Question 5

NAME THE TYPES OF EPITHELIUM.

Answer 5

SIMPLE EPITHELIUM
COMPOUND EPITHELIUM

Question 6

SIMPLE EPITHELIUM DEFINITION AND ITS TYPES ?

Answer 6

SINGLE LAYER OF CELLS. RESTS ON BASAL LAMINA. HELPS IN ABSORPTION, DIFFUSION, SECREATION, FILTRATION.
3 TYPES :-
SQUAMOUS
CUBOIDAL
COLOUMNAR

Question 7

DEFINE SIMPLE SQUMOUS EPITHELIUM ?

Answer 7

SINGLE LAYER THIN FLAT TILE LIKE CELLS. IT IS ALSO CALLED PAVEMENT EPITHELIUM

Question 8

PLACES WHERE SQUAMOUS IS PRESENT ?

Answer 8

ALVEOLI OF LUNGS
BOWMANS CAPSULE OF NEPHRON
PERITONEUM
ENDOTHELIUM

Question 9

DEFINE SIMPLE CUBOIDAL EPITHELIUM ?

Answer 9

SINGLE LAYER - CUBE SHAPED CELLS - NUCLEAUS SPHERICAL AND CENTRALLY LOCATED

Question 10

PLACES WHERE CUBOIDAL EPITHELIUM IS PRESENT ?

Answer 10

• DUCTS OF GLANDS & TUBULAR PARTS
• PCT ( PROXIMAL CONVOLUTED TUBULE ) CONTAINS MICRO VILLI.
• COVERING OF OVARY & LINING OF THYROID VESICLES ( GERMINAL EPITHELIUM)

Question 11

DEFINE SIMPLE COLOUMNAR AND NAME ITS TYPES ?

Answer 11

TALL SLENDER SHAPED CELLS - NUCLEUS OVAL
TYPES :-
* NON CILIATED
* CILIATED EPITHELIUM

Question 12

DEFINE NON CILIATED COLUMNAR ?

Answer 12

WITHOUT CILIA SOMETIMES CONTAINS GOBLET CELLS ( SECREATES MUCUS )

Question 13

DEFINE CILIATED COLOUMNAR ?

Answer 13

HAS CILLIA THEY MOVE PARTICLES IN ONE DIRECTION

Question 14

EXAMPLE OF CILIATED COLUMNAR ?

Answer 14

• BRONCHIOLES
• FALLOPIAN TUBES
• VENTRICLES OF BRAIN
• CENTRAL CANAL OF SPINAL CORD

Question 15

WHICH TISSUES FROM GLANDS ?

Answer 15

SOME CUBOIDAL AND COLUMNAR

Question 16

WHAT ARE THE 2 TYPES OF GLANDS ?

Answer 16

UNICELLUAR & MULTICELLUAR

Question 17

DEFINE UNICELLULAR GLANDS AND GIVE EX. ?

Answer 17

CONTAINS ISOLATED GLANDULAR CELLS
EX :- GOBLET CELL IN THE MUCOSA OF THE SMALL INTESTINE

Question 18

DEFINE MULTICELLULAR AND GIVE EX. ?

Answer 18

CONTAINS CLUSTER OF CELLS
EX :-
* SUDORIFEROUS
* SEBACEOUS
* CERUMINOUS
* SALIVARY GLANDS

Question 19

WHAT ARE THE TYPES OF GLANDS W.R.T SECREATION ?

Answer 19

EXOCRINE & ENDOCRINE
OUT & IN

Question 20

DEFINE EXOCRINE AND TELL WHAT IT SECREATES ?

Answer 20

OUTSIDE SECREATION
* MUCUS
* SALIVA
* EARWAX
* OIL
* MILK
* AND ETC FROM DUCTS

Question 21

DEFINE ENDOCRINE AND TELL WHAT IT SECREATES ?

Answer 21

THEY ARE DUCTLESS THEY SECREATE DIRECTLY INTO THE INTERTIAL FLUID
* THEY SECREATE HORMONES

PANCREAS IS A MIXED GLAND WITH BOTH ENOCRINE AND EXOCRINE

Question 22

DEFINE COMPOUND EPITHELIUM ?

Answer 22

CONTAINS 2 OR MORE LAYERS CAN HANDLE STRESS

Question 23

PLACES WHERE EPITHELIUM IS PRESENT ?

Answer 23

• BUCCAL CAVITY
• OESOPHAGUS
• PHARYNX
• OESOPHAGUS
• DUCTS OF SALIVARY GLANDS
• SWEAT GLANDS
• VAGINA