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
Correct Answer :
A. epithelial tissues
Related Questions
In cuboidal epithelial cells, nuclei are situated
centrally
apically
basally
acentrically
Oil in the skin is secreted by
mucous glands
sebaceous glands
hair follicles
sweat glands
Stratified squamous epithelium is seen in
epidermis of skin, oesophagus, anus
intestine, lungs, heart
blood and lymphatic vessels
ducts of salivary and mammary glands
Stratified squamous keratinised epithelium seen in
oesophagus
kidney
liver
epidermis of skin
Epithelia of mesodermal origin are present in
alimentary canal and respiratory passages
urinary and genital ducts
nervous system
endocrine system
Some glands contain glandular cells which lose apical part of cytoplasm with the secretion. Such glands are called
apocrine
merocrine
holocrine
endocrine
Goblet cells are
unicellular mucous glands
multicellular mucous glands
cuboidal epithelial cells
stratified cuboidal cells
Inner lining of our trachea is formed by
simple squamous epithelium
pseudostratified epithelium
stratified epitheliun
simple glandular epithelium
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
Sensory epithelium is seen
on skin surface
on the olfactory mucosa and taste buds of tongue
on the ears
all of these
Exocrine part of pancreas is classified as
simple alveolar gland
compound-tubulo-alveolar gland
simple coiled tubular gland
simple tubular gland
The cilia originate from
nucleus
cytoplasm
basal granule
mitochondria
The epithelial tissue which form protective layer of the skin, buccal cavity and tongue is
squamous epithelium
ciliated epithelium
glandular epithelium
stratified epithelium
Epithelium has no direct blood supply. The exception to this is
epithelium of peritoneal cavity
stria vascularis of cochlea
epithelium of uterus
epithelium of tongue
Minute cytoplasmic connections between cells of epithelium is known as
informosomes
microsomes
desmosomes
mesosomes
Mesothelium lines the
peritoneal cavity
pericardial cavity
pleural cavity
all of these
The attachment between two epithelial cells is due to
connective tissue
intercellular fluid
intercellular cement
intercellular fluid and air spaces
A "brush border" in the proximal kidney tubule is due to
presence of numerous cilia
presence of numerous villi
minute finger like folds of the cell membrane called microvilli
cuboid al eqithelium
Inner lining of buccal cavity is derived from
ectoderm
endoderm
mesoderm
both (a) and (b)
Which of the following tissues can be protective, secretory, sensory, excretory and absorptive in function?
epithelial tissues
connective tissues
muscular tissues
nervous tissues
Epithelial cell differs from connective and supporting tissues
by the presence of more cellular substance
by the presence of two or more nuclei in the cells
by the presence of more inter-cellular substance
by the presence of more cytoplasm
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
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
Pigment cells of retina are made up of
squamous epithelium
stratified epithelium
glandular epithelium
pigmented epithelium
The descending limb and the ascending limb of Henle's loop of nephron in mammals is lined by
simple squamous epithelium
stratified squamous epithelium
simple columnar epithelium
transitional epithelium
The epithelial lining of ovary and seminiferous tubules of the testes is
sensory
cuboidal
squamous
glandular
Sterocilia is found in
testis
epididymis
ovary
oviduct
Example for a holocrine gland is
salivary gland
sweat gland
sebaceous gland
mammary gland