Scribd
Upload
281 views5 pages

Histology Spotters - General

The document provides detailed descriptions of various types of cartilage, muscle, blood vessels, and glands, highlighting their structural characteristics and cellular arrangements. It covers hyaline, elastic, and white fibrocartilage, as well as skeletal, smooth, and cardiac muscle types. Additionally, it describes the anatomy of arteries, veins, ganglia, lymph nodes, spleen, thymus, tonsils, skin types, and salivary glands.

Uploaded by

Arrya DS
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
281 views5 pages

Histology Spotters - General

The document provides detailed descriptions of various types of cartilage, muscle, blood vessels, and glands, highlighting their structural characteristics and cellular arrangements. It covers hyaline, elastic, and white fibrocartilage, as well as skeletal, smooth, and cardiac muscle types. Additionally, it describes the anatomy of arteries, veins, ganglia, lymph nodes, spleen, thymus, tonsils, skin types, and salivary glands.

Uploaded by

Arrya DS
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
You are on page 1/ 5

HYALINE CARTILAGE  Homogenous basophilic matrix-ground glass appearance, territorial matrix

seen around cell nest


 Typical chondrocytes in cell nests of 2-4 cells, with opposing surfaces of
cells flattened
ELASTIC CARTILAGE
 Eosinophillic matrix with lot of branching elastic fibres
 Large chondrocytes, occur singly or in group of two
WHITE FIBROCARTILAGE
 Bundles of thick collagen fibres
 Scanty chondrocytes arranged in rows
 No perichondrium

BONE T.S  Transverse section of Haversian system (Osteon) with concentric lamellae
around Haversian canal.
 lacunae containing osteocytes seen
BONE L.S
 Longitudinal section of haversian system with central haversian canals
 Volkmann's canal-interconnecting haversian canals seen

SKELETAL MUSCLE L.S  Unbranched long parallel cylindrical muscle fibers, with dark and light
striations
 multiple peripherally flattened nuclei
SKELETAL MUSCLE T.S
 Cross section of myofibrils with peripheral nuclei
 Epimysium, Perimysium, Endomysium seen
SMOOTH MUSCLE
 Spindle or fusiform shaped cells, central oval elongated nucleus
 only longitudinal striations seen
CARDIAC MUSCLE
 Branching, cylindrical fibres with central oval nucleus
 Intercalated discs seen
ARTERY-MEDIUM
SIZED/MUSCULAR  Three layers :
 tunica intima - prominent internal elastic lamina
 tunica media - thickest with more smooth muscle fibres

 tunica adventitia are seen.


ARTERY-LARGE
SIZED/ELASTIC  Three layers :
 tunica intima-(internal elastic lamina non prominent)
 tunica media-thickest with more elastic fibres

 tunica adventitia-predominant collagen fibres seen, vasa vasorum seen


LARGE VEIN  Three layers:
 Tunica intima
 Tunica media – concentric smooth muscle fibres and collagen fibres seen
 Tunica adventitia – thickest - with longitudinal smooth muscle bundles and
collagen fibres

MEDIUM SIZED VEIN  Three layers: not distinct, collapsed lumen


 Tunica intima, tunica media, tunica adventitia (thick – collagen and elastic
fibres)

SPINAL GANGLION  Large pseudounipolar neurons with central nucleus surrounded by satellite
cells
 Ganglion cells arranged in groups between bundles of nerve fibres

SYMPATHETIC GANGLION  Small multipolar neurons with eccentric nucleus surrounded by satellite
cells
 Ganglion cells scattered between nerve fibres
PERIPHERAL NERVE-C.S
STAIN:OSMIC ACID  epineurium, perineurium,endoneurium identified
 thick black ring of myelin sheath around unstained axons
LYMPH NODE
 Fibrous capsule, subcapsular space seen
 cortex-lymphoid follicles with germinal centres
 medulla-medullary cords and sinuses
SPLEEN
 WHITE PULP-lymphoid aggregation with eccentric central arteriole
 RED PULP-splenic cords surrounded by sinusoids

THYMUS  Capsule and trabeculae – incomplete lobules


 Each lobule - cortex - dense packed small lymphocytes
 - medulla – communicates with medulla of adjacent lobule -
sparse lymphocytes and hassall’s corpuscles

TONSIL  Epithelium - stratified squamous non - keratinised


 Tonsilar crypts seen
 dense aggregate of lymphoid follicles seen beneath the epithelium

THICK SKIN  outer epidermis-stratified squamous epithelium thick keratinised


 inner dermis-connective tissue with sections of sweat glands and ducts
seen

THIN SKIN  outer epidermis-stratified squamous epithelium thin keratinised


 inner dermis-connective tissue with hair follicles, sebaceous gland, arrector
pili muscle and sweat glands
SEROUS SALIVARY GLAND  serous acini - biphasic staining pyramidal cells, round basal nuclei
 intercalated, striated and interlobular ducts seen
 capsular connective tissue septa divides glands into lobes and lobules
MUCOUS SALIVARY GLAND
 Mucous acini - empty looking cells, flattened basal nuclei, larger lumen
 Intercalated and interlobular ducts are seen
MIXED SALIVARY GLAND
 Both serous acini and mucous acini are seen
 serous demilunes are seen capping the mucous acini

You might also like