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Anatomy

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Histology

Question
11 out of 59
 

Following statements describe the epithelial lining of various body tubes. Choose the incorrect statement (LQ)



A Trachea: Pseudostratified ciliated columnar

B Ileum: Striated columnar epithelium

C Mucosa below pectinate line: Keratinised stratified squamous

D Proximal prostatic urethra: Transitional

E Epithelium

Ans. C

Mucosa below pectinate line: Keratinised stratified squamous

There are epithelial tissues deriving from all of the embryological germ layers:

i. from ectoderm (e.g., the epidermis);

ii. from endoderm (e.g., the lining of the gastrointestinal tract);

iii. from mesoderm (e.g., the inner linings of body cavities).

o System

o Tissue

o Epithelium

o Subtype

o Circulatory

o blood vessels

o Simple squamous

o endothelium

o Digestive

o ducts of submandibular glands

o Stratified cuboidal/columnar

o -

o Digestive

o tongue, palate, tonsil, esophagus

o Stratified squamous, non-keratinised

o -

o Digestive

o stomach

o Simple columnar

o -

o Digestive

o small intestine

o Simple columnar, striated with goblet cells

o -

o Digestive

o large intestine

o Simple columnar with goblet cells

o -

o Digestive

o annual canal (terminal-below pectinate line)

o Stratified squamous, non-keratinised

o -

o Digestive

o gallbladder

o Simple columnar, brush bordered

o -

o Endocrine

o thyroid follicles

o Simple cuboidal

o -

o Lymphatic

o lymph vessel

o Simple squamous

o endothelium

o Integumentary

o skin - dead superficial layer

o Stratified squamous, keratinized

o -

o Integumentary

o sweat gland ducts

o Stratified cuboidal

o -

o Integumentary

o covering of body cavities-pericardium, pleura, peritoneum

o Simple squamous

o mesothelium

o Reproductive - female

o ovaries

o Simple cuboidal

o germinal epithelium (female)

o Reproductive - female

o Fallopian tubes

o Simple columnar, ciliated

o -

o Reproductive - female

o uterus (endometrium)

o Simple columnar

o -

o Reproductive - female

o cervix (endocervix)

o Simple columnar

o -

o Reproductive - female

o cervix (ectocervix)

o Stratified squamous, non-keratinised

o -

o Reproductive - female

o vagina

o Stratified squamous, non-keratinised

o -

o Reproductive - female

o labia majora (skin)

o Stratified squamous, keratinised

o -

o Reproductive - male

o tubuli recti

o Simple cuboidal

o germinal epithelium (male)

o Reproductive - male

o epididymis

o Pseudostratified columnar, with stereocilia

o -

o Reproductive - male

o vas deferens

o Pseudostratified columnar

o -

o Respiratory

o oropharynx & vocal cords

o Stratified squamous, non-keratinised

o -

o Respiratory

o larynx, trachea

o Pseudostratified columnar, ciliated with goblet cells

o respiratory epithelium

o Respiratory

o respiratory bronchioles

o Simple cuboidal

o -

o Respiratory

o alveoli

o simple squamous (type-I pneumocyte) & simple cuboidal (type-II pneumocyte)

o

o Sensory

o cornea

o Stratified squamous, non-keratinised

o corneal epithelium

o Sensory

o nose

o Pseudostratified columnar

o olfactory epithelium (neuro-

o epithelium)

o Urinary

o kidney - proximal convoluted tubule

o Simple cuboidal, brush-bordered

o -

o Urinary

o kidney – descending & ascending thin limb of loop of Henle

o Simple squamous

o -

o Urinary

o kidney - distal convoluted tubule

o Simple cuboidal

o -

o Urinary

o kidney - collecting duct

o Simple columnar

o -

o Urinary

o renal calyces, pelvis

o Transitional

o urothelium

o Urinary

o ureter

o Transitional

o urothelium

o Urinary

o urinary bladder

o Transitional

o urothelium

o Urinary

o prostatic urethra (initial half)

o Transitional

o urothelium

o Urinary

o membranous urethra

o Pseudostratified / stratified columnar,

o -

o Urinary

o penile urethra

o Pseudostratified / stratified columnar,

o -

o Urinary

o external urethral orifice

o Stratified squamous, non-keratinised

o -

o The epithelium of the urethra starts off as transitional cells as it exits the bladder. Further along the urethra there are stratified columnar cells, then stratified squamous cells near the external meatus (exit hole).

o Stratified squamous, non-keratinised is a special wet epithelium found at following sites: exposure of the body tubes to the exterior, especially if there is friction., e.g., cornea, conjunctiva, nasal openings, oral cavity till oesophagus (including tongue, tonsils, palate, part of epiglottis), terminal anal canal, terminal urethra, vagina & labia minora.

Histology Flashcard List

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