histology receptors

Question 1

Site and function of free nerve endings

Answer 1

Site : Skin , cornea and mucus membrane of visceraFunctions :Detect pain and temperature

Question 2

Which receptor form basket like aborization?

Answer 2

Perticheal nerve ending around hair follicle

Question 3

Functions of plexus of bonnet (perticheal)

Answer 3

Mechanoreceptors, displacement of hair

Question 4

Which receptor helps you to hold a pen

Answer 4

Merkel s deck

Question 5

Site of Merkel’s deck

Answer 5

Palm Sole Transition area between hairy and non hairy skin

Question 6

Which receptor helps blind people to learn BRAILLE tactile code ?

Answer 6

Meissener corpusclse

Question 7

Site and function of meissener cor.

Answer 7

Site:Dermal papillae of palm , sole , finger tips, external genitaliaFun:Fine touch2 points discrimination

Question 8

Receptors responsible for proprioception

Answer 8

Pacinan corpuscle Ruffini corpuscleMuscle spindlesFree nerve endings

Question 9

Which receptor run in collegen ground substance

Answer 9

RuffiniPacinian

Question 10

Site and function of ruffini corpuscle

Answer 10

Site Dermis of palm and sole parallel to skin surfaceFunctionFor pressure sensationDetect tension of collagenous fibers in the surrounding ct

Question 11

Which type of Motor fibers (efferent) supply muscle spindles

Answer 11

Small gamma fibers

Question 12

Structure of muscle spindle

Answer 12

Bag 1-4 in number (few) thich & long, the central part is expanded and contains numerous nucleiChain up to 10 (numerous) thin & short, the central part is narrow & contains a chain of nuclei

Question 13

Sensory innervation of muscle spindle

Answer 13

Primary afferent (Annulospiral )On the central - non contrcatile - part of bort bag and chain Secondary afferent (flower) On the sides of annulospiral (central part ) of nuclear chain only

Question 14

Motor innervation of muscle spindle

Answer 14

Small gamma fibers from peripheral - contractile - part of both.

Question 15

Golgi tendon organ innervation

Answer 15

NO motor innervationSensory :primary afferent

Question 16

Function of golgi tendon organ

Answer 16

Inverse stretch reflex (relaxation)Detect tension on the muscleBecome stimulated and inhibit the muscle contraction

Question 17

Structure of Merkel’s deck

Answer 17

Afferent have cytoplasmic projections which extend between keratinocytes to which they are joined by desmosomes

Question 18

What are joint receptors

Answer 18

Pacinian corpusclesRuffini corpusclseGolgi tendon organsFree nerve endings

Question 19

Which receptor afferent run in spiral course in between teloglia cells

Answer 19

Meissener

Question 20

Which receptors terminated as club like

Answer 20

Pacinian corpuscles

Question 21

Which receptor its afferent branch inside the corpusclse to form network

Answer 21

Krause end bulb