Download Bone Human Blood Smear

HISTOLOGY LAB PICTURES
CONNECTIVE TISSUE
Bone
Human Blood Smear
Bones support and protect the various organs of
the body, produce red and white blood cells, store
minerals and also enable mobility. Bone tissue is a
type of dense connective tissue. Bones come in a
variety of shapes and sizes and have a complex
internal and external structure.
It supplies essential nutrients to cells, such as
amino acids, fatty acids, and glucose. Its
white blood cells have antibodies which defend us
from infection and foreign bodies. It has
specialized cells, such as platelets, which help
the blood to clot (coagulate) when we are bleeding
Hyaline Cartilage
Adipose Tissue
HyalineCartilagesupportsthemovablejointsbetween
bones,aswellastheconnectionsbetweentheribsand
thebreastbone,orsternum.Itprovidessmooth
surfaces,enablingtissuestomove/slideeasilyovereach
other,e.g.facilitatingsmoothmovementsatjoints.Itis
alsoprovidesflexibilityandsupport
Adiposetissueisprimarilylocatedbeneaththe
skin,butisalsofoundaroundinternalorgans.It
providesinsulationfromheatandcold.Around
organs,itprovidesprotectivepadding.Adipose
alsofunctionsasareserveofnutrientsand
energy,
HISTOLOGY LAB PICTURES
EPITHELIAL TISSUE
Simple Columnar Epithelium
Simple Squamous Epithelium
A simple columnar epithelium is
a columnar epithelium that is uni-layered.
In humans, a simple columnar
epithelium lines most organs of the
digestive tract including the stomach,
small intestine, and large intestine.
Simple squamous epithelium refers to a single layer of
thin, flat cells that line body surfaces. One side of the
surface opens to the environment while the other is
anchored to the underlying cells. These cells provide a
thin membrane that allows for the passage of small
molecules into the body, which occurs for example when
air diffuses in the lungs; when blood is filtered to form
urine in the kidneys; and when nutrients diffuse from the
blood into body tissues in minute blood vessels called
capillaries.
Simple Cuboidal Epithelium
Stratified Squamous
A single layer of roughly cube-shaped cells.
Location: Lines kidney tubules and the small ducts
of many glands. Function: Secretion and
absorption.
Stratifiedsquamousepitheliumisfoundcovering
andliningpartsofthebody.Inthistissue,cellsare
flattened,joinedtightlytogether,andstacked.
Theyformthemoistliningsoftheesophagusand
stomach.Themajorfunctionofthistissuetypeis
protection,asitisfoundinareasthatundergo
wear-and-tear.
HISTOLOGY LAB PICTURES
Muscle TISSUE
Cardiac Muscle
These cells are found in the wall of the heart. They are
branching, striated cells and each have a single
nucleus. As it contracts it propels blood into
circulation. An involuntary movement.
Smooth Muscle
Spindleshapedandnotstriated.Smoothmuscleis
foundinthewallsofholloworganslikeyour
intestinesandstomach.Theyworkautomatically
withoutyoubeingawareofthem.Smooth
musclesare involved in many
'housekeeping'functionsofthebody.
Themuscularwallsofyourintestinescontractto
pushfoodthroughyourbody
Skeletal Muscle
Hasstriatedmultinucleatedfibers. Itsfunctionis
mainly support and movement.Skeletal
musclesmovethebody.Skeletal
musclecontractionspullontendons,whichare
attachedtobones.Ifcontractionof
themusclecausesthemuscletoshorten,thebone
and,thus,thebodypartwillmove.Unlike
smoothmuscleandcardiacmuscle,skeletal
muscleisundervoluntarycontrol.
HISTOLOGY LAB PICTURES
NERVOUS TISSUE
Multipolar Neuron
Bipolar Neuron
Multipolarneuronarecellswhichthe
dendritesquicklydividesintonumerous
branches.Theyhaveasingle(usuallylong)
axonandmanydendrites,allowingforthem
toreceiveagreatdealofinformationfrom
otherneurons.Neuronstransmitnerve
signalstoandfromthebrainatupto200
mph.
Bipolarneuronsarefoundintheretinaof
theeye,roofofthenasalcavity,andinner
ear.Thesecellsarespecialized
sensoryneuronsforthetransmissionof
specialsenses.Assuch,theyarepartofthe
sensorypathwaysforsmell,sight,taste,
hearingandvestibularfunctions