Which of these is true :
Epithelia are derived from ectoderm
Epilhelia are mesodermal in origin
Epithelia are endodermal in origin
Epithelial origin is variable
Correct Answer :
D. Epithelial origin is variable
Related Questions
Crypts of Lieberkuhn in the small intestine of a mammal is a
branched alveolar gland
simple tubular gland
compound tubular gland
compound aleveolar gland
Sensory epithelium is seen
on skin surface
on the olfactory mucosa and taste buds of tongue
on the ears
all of these
Oil in the skin is secreted by
mucous glands
sebaceous glands
hair follicles
sweat glands
Which of the following statements is true?
Epithelial tissue is devoid of blood supply
Some cells when innervated are termed as sensory epithelium
Epithelial tissue is not capable of regeneration
Exocrine glands secrete their products without the help of ducts
The epithelial lining of ovary and seminiferous tubules of the testes is
sensory
cuboidal
squamous
glandular
The epithelial lining of pericardium is
simple columnar
simple squamous
stratified squamous
cuboidal type
Mesothelium is the name given to
lumen of gut
coelomic cavities
lumen of blood vessels
organs derived from mesoderm
Some glands contain glandular cells which lose apical part of cytoplasm with the secretion. Such glands are called
apocrine
merocrine
holocrine
endocrine
All glands whether exocrine or endocrine originate in mammals from
epithelial tissues
some from epithelial tissues and others from connective tissues
some from epithelial tissues and others from muscular tissues
some from epithelial tissues and others from nerve tissues
Pigment cells of retina are made up of
squamous epithelium
stratified epithelium
glandular epithelium
pigmented epithelium
The type of tissue that covers the surface of the body and lines vessels and body cavities is
connective tissue
muscular tissue
nerve tissue
epithelial tissue
Mesenchymal epithelium is seen in
liver
lungs
subdural and subarachnoid spaces
kidneys
Protoplasmic projections of the lining of epithelial cells in certain organs is as follows. State which of these is false?
Proximal Kidney tubule - microvilli
Trachea - cilia
Parts of male reproductive tract -stereocilia
Small intestine - cilia
The name of the given stratified eqithelium depends upon the shape of
basal layer of cells
superficial layer of cells
intermediate layer of cells
majority of layers of cells
Inner lining of our trachea is formed by
simple squamous epithelium
pseudostratified epithelium
stratified epitheliun
simple glandular epithelium
All the cells rest on a basement membrane in epithelial tissue known as
fluid tissue
vascular tissue
connective tissue
muscular tissue
Which of these is true :
Epithelia are derived from ectoderm
Epilhelia are mesodermal in origin
Epithelia are endodermal in origin
Epithelial origin is variable
Salivary gland is an example of
simple tubular gland
simple coiled tubular gland
branched tubular gland
compound alveolar gland
An epithelium with more than one layer of cells is seen in
inner lining of stomach
inner lining of intestine
all parts of alimentary carial
buccal caviy and oesophagus
Sterocilia is found in
testis
epididymis
ovary
oviduct
Which of the following is a correct match?
Crypts of LieberkuhnSimple tubular gland, endodermal in origin
Sweat glands Simple branched glands, mesodermal in origin
Sebaceous glands Compound alveolar glands, mesodermal in origin
Salivary glands Simple tubular gland, mesodermal in origin
Distal convoluted tubule of kidney is lined by
columnar cells
cuboidal cells
squamous cells
cuboidal epithelium with a brush border
Which type of epithelium is found in the Bowman's capsule of mammalian kidney?
Pseudostratified
Stratified
Squamous
Cuboidal
Exocrine glands containing glandular cells which shed themselves to secrete their products are known as
ductless glands
apocrine glands
mesocrine glands
holocrine glands
The attachment between two epithelial cells is due to
connective tissue
intercellular fluid
intercellular cement
intercellular fluid and air spaces
Desmosomes are quite common in
stratum germinativum
stratum spinosum
stratum lucidum
stratum granulosum
What name is given to the scientific study of tissues ?
Anatomy
Cytology
Histology
Ecology
Example for a holocrine gland is
salivary gland
sweat gland
sebaceous gland
mammary gland
Cilia, flagella and microvilli are seen in
connective tissues
epithelial tissues only
connective and epithelial tissues
animals
Goblet cells are
unicellular mucous glands
multicellular mucous glands
cuboidal epithelial cells
stratified cuboidal cells