12-2-11 Friday

SWEDISH

the quiz on monday will be bony landmarks, muscles, and sequence of the neck. 7 questions total



ANATOMY

there were some disturbing birthing videos of doctors pulling and twisting babies necks.

also:
1c. protein powder
1c. peanut butter
1/4c. oats
1/4c. honey
splash of vanilla
keep in freezer



PHYS/PATH

histology is the study of tissue

4 classifications/groups

-epithelial
-connective (including blood)
-mm (smooth, cardiac, skeletal)
-nervous

Epithelial
forms protective covering
main tissue of outer layer (skin...)
form membranes, ducts, lining body cavities and hollow organs


Structure classifications
by shape:
squamous: real thin, easy to get through. found in lungs, blood vessels, capillaries
cuboidal: square/cube shaped. found in glands such as: sweat, pancreas, thyroid, kidney
Columnar: hard to get through (filtration)

by arrangement:
simple: one layer

stratified: more than one layer

pseudostratified: 2 layers?

exception: transitional which is in the bladder mainly. It stretches and shrinks

special function of epithelial tissue
-traps foreign particles
mucus secreting (goblet) cells
cillia
-self repairs quickly

Glands
specialized to produce substance sent out to other parts of the body.

Exocrine gland- into/out of a duct
-single cell: goblet cell
-multiple cell: sweat gland

Endocrine- right into the blood, no tunnel or tube
-secrete hormones (to send text message) these are thyroid, adrenial, ovarine, testies . . .

another word for sweat glands___________?

glands are cuboidal in shape



Connective tissue
categorized by physical properties

-circulating connective: blood
-generalized: fascia
-structural: ligaments, cartilage, bone

Acellular matrix -- the matrix is protein (not sure what this means, but that goes without saying on most everything here. sorry)

Two forms-

Loose:
-areolar: light fascia around sweat gland
-adipose

Dense