Histo Exam 1 Picture Identification

Reticular fibers stained with silver salts or PAS

What is this an image of

reticular collagen (type III)

What is the arrow pointing to

elastic fibers; stained with urchin or resorcin-fuchsin

What is this an image of?

elastic fibers; stain dark purple

What is this an image of?

collagen fibers; stain light pink

What is this an image of?

fibroblasts (the principle connective tissue cells)

What cell type is shown

Macrophage

What is this an image of?

Mast cells

What is this an image of?

plasma cells

What is this an image of?

reticular cells

What cell type is shown

adipocytes

What is this an image of?

loose (areolar) connective tissue; part of the connective tissue proper

What tissue is shown?

dense regular connective tissue; part of the connective tissue proper

What tissue type is this?

reticular tissue (type III collagen predominates here)

What tissue type are these?

elastic tissue - ligaments

What tissue type is this?

white (unilocular) adipose tissue

What is this an image of?

brown adipose tissue

What is this an image of?

brown fat (brown adipose tissue)

What is this an image of?

white fat (white adipose tissue)

What is this an image of?

an elastic artery

What is this an image of?

loose connective tissue

What tissue type is shown?

connective tissue - dense regular

What tissue type is shown?

Dense connective tissue

What is the type of tissue circled in green?

loose connective tissue

What type of tissue is circled in white?

stroma of bone marrow, spleen, lymph nodes

Where is this type of tissue located in the body?

Brown (multilocular) adipose tissue - specialized for heat production

What is this tissue specialized for?

Elastic

What type of connective tissue is located in the area labeled "b"?

reticular fibers

What are the arrows pointing to in this electron micrograph?

loose

Identify the connective tissue type

elastic fiber

What are the arrows pointing to in this electron micrograph?

macrophage

This specimen is from a trypan-blue treated rat, what cell-type iscircled?

plasma cell

what cell type is letter c?

tendon (dense regular)

What body structure could contain the tissue in the image?

reticular

What type of connective tissue is demonstrated in this image?

plasma cell

what cell type is circled?

dense irregular

What connective tissue type are the cells label "b" residing?

plasma cell

Identify the cell type

reticular fibers

What is found in high concentrations in the structure indicated by arrows?

dense regular

What connective tissue type is labeled "a"?

mast cell

Identify the cell type labeled "b"

elastic fiber

What is the structure is labeled "a"?

reticular

What connective tissue type is shown in this image?

reticular

What connective tissue type is shown in this image?

collagen fibers

what is labeled "a"?

elastic

What type of connective tissue is shown in the image?

collagen fiber

what is the structure labeled "a"?

pink - collagen fibers; yellow - elastic fibers

what structure is stained pink? what structure is stained yellow?

transitional epithelium

what cell type is this

stratified columnar epithelia

what type of tissue is this

microvilli

what type of surface modification is this

mucous glands

what type of glands are shown

serous glands

what type of glands are shown

serous

what type of glands are shown

mucous

what type of glands are shown

mixed - serous (dark purple) and mucous (light purple)

what type of glands are shown

ACTIVE - there is lots of euchromatin in the cell (rather than dark, inactive heterochromatin)

is this cell active or inactive?

Barr body

what does the arrow point to?

Intermediate filaments

what cytoskeletal structure is this?

centriole - composed of 9 triplet Mts

what cell structure is this

microtubule associated proteins (MAPs)

what are the smaller circles in this image

cancerous - NOT NORMAL

is this a normal or cancerous cell?

smooth ER

what cell organelle is shown

rough ER

what cell organelle is shown

Golgi apparatus

what cell organelle is this

mitocondria

what cell organelle is shown (stained with PTAH)

mitochondria

what cell organelle is shown

cristae

what organelle structure is shown within these mitochondria?

Left - WHITE

Right - BROWN

what type of mitochondria is shown on the right vs the left?

brown mitochondria - specialized for heat production

what function is this type of mitochondria specialized for?

clathrin-coated vesicle - performs mediated endocytosis

what is the function of this type of vesicle

caveolae - function in clathrin-independent endocytosis; also important for transcytosis

what is this structure and what is its function

melanin

What is the brown staining in this cell?

crystals (byproduct in steroid formation)

what is the structure shown

simple cuboidal

what type of epithelium is this

simple columnar

what type of epithelium is shown

pseudostratified

what type of epithelium is shown

stratified squamous

what type of epithelium is shown

stratified cuboidal

what type of epithelium is shown

transitional

what type of epithelium is shown

motor proteins

what cell structure is shown

simple columnar

What type of epithelium is shown?

c

which letter is labeling a desmosome

microvilli

Identify the apical membrane modification demonstrated in the EM

stratified squamous

Classify the epithelium indicated by the arrow.

simple cuboidal

classify the epithelium

psuedostratified

classify the epithelium

cilia

Identify the apical membranemodification demonstrated in the EM

simple squamous

Classify the epithelium indicated by the arrow

macula densa

Identify the membrane modification indicated by the arrow.

starved animal (minimal glycogen staining)

Is this from a starved animal or well fed animal?

well fed (lots of glycogen staining)

Is this from a starved animal or well fed animal?

FALSE

(H&E stain does not bind to glycogen well)

true or false - H&E stain binds to glycogen well

lipid ridges

what is the predominate structure in this image

lipid droplets / lipid inclusions in adipose cells

what cell structure is shown

metaphase

what cell stage is shown

simple squamous

what type of epithelium is shown

simple cuboidal

what cell type is shown

simple columnar

what cell type is shown

simple columnar epithelium

what cell type is shown

pseudostratified

what cell type is shown