HISTO Slides final.pdf…………………………………………..

Histology

1. HISTOLOGY
SLIDES
-Kalpam Gupta
2023 Batch

4. Iden 1;i£.ica tion Po11,i;,ts
(a) Chondrocytes si·tu)~ed in smooth
spaces or Lacunae.
(b) In the centrai portion 0£ carti1age the
cells are generally a ranged in group
I
or eel 1 nests.
I
(c) Ground glass appearance of interce
substance or Matrix.
i~-

6. b
(a) Chondrocytes situated in smooth walled
spaces or Lacunae.
(b) Network of Fine elastic fibres sen i.n
the interce11u1ar substance or Matrix.
YELLOW ELASTIC CART LAGE
- -

8. '
HITE FIBRO RTILAGE
(a) Chond.rocytes are arranged in ro
g par~llel with bundles of collag
.fibres.
(b) ·The Matrix is ~ade· up 0£ bundle
Co lagen :f ;I. bres •

10. COMPACT BONE (T.S.)
(a) Havers an ystem seen which con it
of' Haversian canal at the centr -
orrounded by concentric layer o
steocytes placed in Lacunae.
(b) Outer and inner circum:ferent a1
lamellae and interstitia11amellae
etn.

12. COMPACT BONE (L.S.l
(a) Longitudinaly running Haversian cana
een.
(b) In betwe·en the Haversian canal.a
numerous lacunae are een wit i the
bony matrix which contain' teo te '
in th recent state.
(c) The Haversian canal are conn cte
to each other by 'Volkmann.' Can 1 •

14. CARDIAC MUSCIE
(a) Pr minent tran verse striations ee
due to the presence of a1ternate -
dark( •A:1 Band or Anisotropic) and
light bands ·('I' band or Isotropic
band) •
(b)· Usually single large centra11y placed
nucleu seen, occas ional1y dou
nt ol :I! een.
(c) Branching and anastomoses
seen.
(d) In·tercalated Disc (In be een
a dark band •

16. SKELETAL MUSCIE
) ine
(b) Small ovo d £lattened
periphery ( tow rds a)
D...AR. o...J\Av.~

18. ERIPH
•
•
-
1 ) The connectiv..e ~hea; h the ep • n i
cov.ening the bundles of nerve fibers.
mposed of cmllag
Th b n icu • •
in •
sur
the
a in r
Li...,,_._,_._ne rium.
3) Ind vidual nerve :f£ioers axons)
r
st
n inside the perine ri
fin connec ive

20. c) Within the ganglion note the_mq._lti_pol_a.x:
neurons arranged uniforilil.y throughout the
ganglion.
c ) Each mul tipolar neuron is smAL]-aLJil,,l~l. __ .._....___.
with a capsule showing capsular cells
(ampicytes or satellite cells). ,

22. a) t e ca 1 r contin e
~pin uri • The c u es
capsular cells (--mr---.--.cyt
The g glion is bif d di 1
)
thin t e g ngl on
neurons a ranged 1 g ps s
•
n 1 s of nerve fibr s.

24. (a) Cro s ections of closely packed aero
acini seen.
(b) Acini are
cells.
lined by pyramidal haped
(c) Nuclei is round and trall.y lac
(d) Zymogen granules at th ape of'
cell
•
(e)
Intralobular and inter lobu:la uct
and septa are present.

26. Meco
(a) Mucous acini 11ned by
cells.
(b) Nuoieus is ~latened and present
the base of the ce11.
(c) Number 0£ intralobular and inte 1o
ducts.

28. (a) Both serou and m co acin e
(b) ~~~~= r e

30. MEDIUM IZE
(a) 'lbe 3 coats -Tunica tima,
edia & Tunica dv ntu ti ar
(b) Internal .elastic lamina i pro n l ..
(c) Tunica m dia con i t 0 e
layers of: mooth mu 0.1.e
oval nuoleii.

32. ELASTIC ARTERY (AORT)
.
(a) 'Ihe J layers -Tunica intima c
media, and '!\mica advent1t a are
(b) Tunica media ~onsi t of a num er o
layers 0£ Elastic fibres.
{c) Internal Elastic. I..amina i no
prominent.

34. URGE VEIN
(a) Tunica Tntima con its o~
us pithe1iu )
~!&U:ti1:!;~~~r and uben othelial
{b) Tunica t 0 f'ibrou
and ~.
(c) Tunica er and
ist 0
ed by Fibr
(d) Note the absence of
ti

36. MEDIUM SIZ~D VEI
Note:
l)Tunica intima consisting of e othe i
( imple s _ ous epi el · ur, ~
2)Tunica m di~ c-·s
of c nnectt~ve tis ·
• cul nl a ranged smoot
,
3) Wel:.l developed Tunica adventiaconsi
on loose connecti tissue ath thi
longitudinal collagenous bundles and
longitudinally oriented smoot muse e

38. D
LYMPH NODE
(a) The capsule is thick and made up
white f'ibrou ti· e
(b) The cortex sho s numerou lympho
• f'ollicl upported by reticu1ar
tissue.
(c) Lymph Fo11icl
germ·nal cent
(d) Medulla hows
(e) N te the Lymph
&Jll cap ular lym
cortical s nu
inue.
•
show the pa
of) Lymp
es, t e
nus, th
medul

40. d
(a) Note the capsule made of. white fibro s
t.issue with its s pta dipping ·nto the
tonsils from the la eral aspects.
(b) Medially the stratified squamo s ep • the-
~~•~----b liUin-sends in tubular invag·na • ed
~r..~-:.•~·-,~•i.;::.w.
the tonsi lar crypts.
(c) Within the tonsils lymphoid follicles
with,gexminal centres seen •
.
(d) Pharyhgeal gl nds are o t side e
capsu e

42. • lobule.
Medulla with less number of lymphocytes
-.
_ sho,is concentric corp~seles of Hass
Cortex shows densely arranged
.
es (Note the absence of follicular
.
arrangement o.: lymphocytes).
The capsule made up of e ibrous
tissue sends in numerous sep
demarcate tl-ie 1 bules.

44. fi
(d r cul

46. . ,. .
... •: .....
. ~.,,.
...
S tfj:lC ,O\o\S
/ 'ANl'S
A ,a6'2
ria.•
a} Note the thin epidennis showing-stratum
co~nium and stratum spinosum and stratum
basale.
bl Dermis ·shows numerous hair folicles asso-
I
ciated with arrector pili muscle and the
sebaceous glands. -
c) Note the sweat glands and blood vessels
in the dermis.

48. Note the thick epidermis showing
1. Stratum.corneum, 2. Stratum Lacidum#
3. Stratwn.Granulosum, 4 .. Strat:wn Spinosum-
-..-.-.... ---
and Stratwn Basale.
b) Dermis shows dense connective tissue
. ~
supports sweat.glands, blood vessel
Pacinian corpuscles and Meissners corp
1/
c) Note the complete absence of hair fo 1 cles
assoc·ated with arrector
gland.
. '

52. TONGUE FUNGIFORM, FILIFORM PAPILLAE
a) Note the cylindrical ftingiform and conical
filiform papillae covered with stratified
squamous epitheliwn. At the sides of the
..
fungiform papi~l_ae taste buds can be seen.
~e paillae have a central core 0£ lamina
propria· made up of cqnnective tissue. The
papillae rise above the surface of the
tongue. --1\A. ~ ~tA-t. ~ ~c•~ VJ~
b) The lamina propria made up of connec ive
tissue in which are the blo_od vessels and
lingual salivary.glands.
c) Note the striated muscle arranged in
·bundles separated by loose areolar tis e

54. TOOOUE: C?RCOMVALLAT
(1, mile circumvallate papilla sit ated a
tre'l1ch covered with strati£ieti squa us
epithelium.
( 2 ) The epi elium in the side ,aa s of e
papilla sho·ws numerous taste uds .
( 3 ) The striated muscle fibres arzanged in
bundles seen.

56. SSC t..6
HYPOPHYSIS CEREBRI
a ) Note the anterior adenohypophysis and t e
posterior neurohypophysis In bet een
• tl}ea the pars in1;.ermedia• enohypophys s
shows clusters of acidophilis, basophils
and chromophobe ceils.
Note the pars inte.onedia separated from ,
pars anterior by a cleft. The pars n e
media shows cords of basophil c ce.11s
which may be arranged as foll~~D~~
c) Pars nervosa shows bundles of
intersPfJrsed wi~ pitui~ytes.

58. otPf
THYROID G
Note the colloid filled thyroid follic es
lJined with simple sqUarnous to simple ·
cuboidal epithelium.
.,
b) The colloid takes up dense eosin
It is made up of t.htoglobulin
bound thyn>xine
/
In between the follicles is the
tissue showing sinso ds ana para
cells which may be. found between
bas._.,ngnt membrane and p·the of
folld.cle.

60. b) The ·ch se
secrete parathormone interspersed wi
f
• the chief. cells are oxyphilic cells wh.-'-"~
appear only after puberty.
c) Clusters of cells are separated
other ey connect ve tiss e ich s ppo
the numerous sinusoid

64. a) te t e five layers of comea1
1. tratified sq amou epit l. 0
variety.
2. Bowman's
e -
for strati£ ied
r
modified col g
interspers n
(corn a co sles).
4. ceme •s r n
for endot lium.
s.

66. RETI
a) Note the ten layers of retina.
l. Pigmented epithelium cons~sting of
simple cuboidal epithelial cells sho ing
pigments etached from the ret na
proper.
2. A layer of rods and cones
3. External limiti membrane
4. External nuclear layer
s. Extemal plex form layer
6. Internal nuclear laye
7. Internal plexifoxm layer
a. Ganglionic layer
9 layer of optic nerve fibres
10 Internal limiting m ane

68. -
,,
is sm ller
.
l.
elat:iv.e a undance of a
2) oth -an rior and Pos rio 0
are sender.
3) Th s of o n
4) The c:ent l na o a s the 0
aspe

70. I MATER
"1Q C C:U.1.-AR. I.Av~fl
L~-rE <f&U'
a)
I •
-..
CEREBRAL CORTEX
Note the six layers .of cerebral cortex.
Mo ec ar, exte g anular I external •
, -
pyramidal, Internal Granular, Gan,---.~-6
m ~-ye •
mu
shrunken •.

72. CEREBELuUM
a) Nate the 3 layers molecular layer,
cell layer, granular layer.
b) Purkinje cells arranged at reg lar nte
perpendicular to the surface with eir
apices towards the surface seen c
c ) Granular layer shows innumerable ·.,-t~~~,e
cells with scanty cyt,oplasm an
prominent nucleus.

74. ~
~
•
! • , ./
• .
•
•
•
/
., ,. --.
~ .
••
,,,
.,,
~ I
• I
~ ....
• • • ... -
~ ~-.. " ,, , . . . ,
: :,, -!a----)~M \JC.CS
0 I= L
~5,QQT1f1
'Ri:\T\N St:'1)
Ce T L
5
oF EL-A$T\e-c..~~"T'\J.\6'E
(€P\C~\..cn"t c C P.T \,.AbE:)
2.. ANTE ~,oit S\J ~
'SQui\MOUS "N
e eR.E.D B'i ~Q.A FE'D
K.e ~ SE"t) E\l , \. M
L: t" N~ ~o9R.\~
0\"l.. 0 l.PtR"f N &E:.At. -ftc..E" C eRl:D ~
l •
ED S9 F 't-\.CU S 9 el...WH Pe -v~~r
S1R~i f. e.P C \.~ D
~
:T \- 6' \.~ C \.LS ~

76. µ
TRACHEA
(a) Pseudostratified colunm.Jci1iated
epithelium. ~
(b)
. (c)
(d)
Hyaline cartilage with Perichondri.um •
Chondrocytes in cell nests. . . .
Homogeneous inter-cellu1ar ground
substance seen.

78. 6 0
LUNG
(a). Pu1monary a1veol.i are seen .1ined wit
simp1e squamous epithel.ium.
(b) Section 0£ a bronchus •.l.ined with
pseudostratified co1umnar ciiiated
epi. the.lium ~seen.

80. (a) Mucous coat consists of strati ied
squamous epitheiium. -~~-~ ~
(b) Sub-~cous coat shows mucous g1an~s.
~~~~-.#i!BJb ( c) Mus cu_.la oat sb~ws outer 1ong..L tud a1
---~·- . and IGgZ:e circ lar layers of mooth
-~> OIJTE:li( and striated muscle fibre •
• j rJ. C ~ I ff/])/ ,Jlt-L
C

82. GAS1"&1C
u. "'
Nrcc,c: e.Eus f rETAL ,,us
,
IUC LAIi.if
P,llClsA
S;DOMACH -
(a) Mucou coat .• how
gas tri c g1a.nds •
the glands.
FUNDUS
ga tri c pi ts and
Pits are horter th
.
(b) Glands shows eos in s taineci pari tal
mucou,s neck cell , .,
(c) Mu,scularis muc,esa wall developed.
' .
(d) Muscular coat cons1,ats of .3 1 r o
moo th mu cle.

84. (a)
(bJ
STOMACH~ PYLORUS
Mucous coat shows gastric glands and
gastric pi ts . .:.
~~oS
Glands are~equal in length to the
Gastric Pi ts.
(c) Gland lined with mucous seer ting cell
(d) Submucosa with blood ves ls.
(e) Muscular coat with 3 layers.

86. DUODENUM
(a) Mucous coat shows very tal~ villi, crypt
of lleberkuhn
(b) Villi and the crypts lined with simple
colunm.ar epithelium.
(c) Submucosa -shows mucous sec eting
Brunner' s glands ..
(d) Muscular coat shows outer longitudinal
inner circular layers of smooth muse •

88. ( -}
Lie .. r · n.
(b) Viili and glands lined -· th
columnar opithaliu ■-
(1c Submucos with blood vessels.
(a Muscul r coat made of out r lon i~u
a ·nner circular s 0 mus e 1

90. a lC us at ws villi a C
L
•
b r
' n.,,
(b) Villi glar1as
• t"
an
.... --1 •
columnar epit elum
Cl
(c Lamin pro , ubrn C sa sh
ted tic f
p t •
ru .. cu r-CO t sis s OU
tu nd
'
.
circ n .1. s
mu cl ibr •

91. .. . ;.,
•
.
r
,
✓
•
'
•
.,
•

94. b
---~ -· __.--• --------, . -
--
{ ) Muc0us ~oat shows n vil_i.
b) N tc th presenc
Li berk.u 1n liri
epithel urn,
( c 1"1uscul r co t. consi ts
long tu inal n ·n
smo th muse e l rs

96. •

98. -
GALL BLADIER
( a) Mucous co t E;hoi-.?S a
hon y comb pattern.
r £ f 1 "'s
(b) I-1.icosal folds lin d witn imple c
epithelium i■:te::spe ~ea wj.f. }Ji
(c) Muscular coat s .. tows s►ro t ..
(d) S rous corit consi ts of i l
pit eli u.rn.
-
...

100. H
II
J'
( ) El(Qerine p.ncred
in lQ.uults
~, 11·
.. • "..LL~, -
li~ wit
rr
cells.
(b) Intra lebular anu intcrl ul r ..... etc
seen within •rxl in between th 1 bule .
(c) Endocrine pancreas: Islets of Lange ns.
(d) Islets show~ peripherally pl c~ «-c l_ ~
and centrally placed Q-cells.

102. (
(
an
of
y
f bri us t. s

106. u
co cot h
Cl
i n
C, co t.
. Jc.

108. T
cec' ~ ons of sem
b Sec ... i sho~ s
9
s J.
consistirg of SD ... ,
Sp~rm 0C es, s
spe
•
the L m 1
C Int r
a
~ C f
•

110. h
E
ection
sen.
0 can 1 o
Ganal lined
column r p 'tl
Clump
C n 1.
s s s n i
.
m
. ,
. c __
•

112. (c)
... C
Lumen . • s v ry st 1 at sh
lined with simpl co
1i .
.Muscular co t is v rv t ie:
of, 3 lay rs of smoot-mu c
lo·n i tudfnal, middle circ
longitudi 1.
consist n
: Out
•
r nn r

114. st m ncl
s seen.
(
• • .
i"-C n Cl.Ill n
ls.
c, C nc
cor ,

116. •
0 I' PLACENTA
"''"''-"'
,-,to1' O )
•I.Alf a Note the cross section of chorionic v • li
C
separated from each other by intervilio s
space filled with maternal blood.
b )·· Each cros-s sect· on of chorionic v 1 i
. sho s syn~dtiotrophoblast r ~o-t
blas and a c.ore of cQnnect ·-ve tissue
derived fro~ extra:..emb;ryon c mesoderm
w ic supports foetal blood vessel •

118. UMBILICAL CO
-----~--
of the co~
.
con."'?ecti ve
-"': (' . - '
.... -~'--'"'~
•
-L.
's jel s 2 umbilical
.
arteries with obliterated lumen and a single
umbilical (left) vein with a patent lumen.

120. a
.....
UTERUS
Ca ) The endometrium shows the coiled
tubular _uterine glands.
,
(b) The glands· are lined with simple
columnar epithelium.
(c) The stroma between the glands is
highly cellular.
(d) The myometrium consists of 3 layers
of smooth muscle •

122. UTERINE
( a ) Mucous membrane shows erous
which make the lumen very narrow.
(b) Mucosal folds lined with simple
columnar ciliated epithelium.
(c) Muscular coat consists of outer
longitudinal and inner circular
layers of smooth muscle.

124. (b)
(c
tis u