misc. info from lectures

Epithelium criteria

cells adhere to one another

basal aspect is attached to basement membrane

avascular

connective tissue criteria

composed of cells embedded within extracellular matrix

Extra cellular matrix composition

Ground substance (ex. hyaluronic acid, chondroitin-4/6-sulphate, heparin sulphate)

Fibers (ex. collagen and elastin)

Solid organ components

Parenchyma: functional component

Stroma: supporting component

Functions of blood

Transportation, protection, regulation

plasma vs serum

plasma: not clotted blood

serum: clotted blood

Blood components

45% cells (WBC, RBC, Platelets)

55% plasma (92% water and 8% dissolved substances)

Dissolved substances in blood

Salts

Metabolites (glucose, amino acids, fats)

Protein(Globulins and albumin)

Hormones

Waste (urea and CO2)

Globulins

different proteins with different functions

coagulation proteins, inflammatory proteins, transport proteins

Albumin

produced by liver

CBC type of blood and container

whole blood in purple top

Chem type of blood and container

plasma or serum but plasma must be collected in green top not purple top

segmented neutrophils

mature neutrophils

left shift

increase in band neutrophils: young neutrophils responding

6 fetal adaptations

placenta

umbilical vein

ductus venosus

foramen ovale

ductus arteriosus

umbilical artery

3 germ layers

ectoderm mesoderm endoderm