As an adjective epithelial

is epithelial.

As a noun ependyma is

(anatomy) a thin epithelial membrane lining the ventricular system of the brain and the spinal cord.

As nouns the difference between membrane and ependyma

is that membrane is membrane while ependyma is (anatomy) a thin epithelial membrane lining the ventricular system of the brain and the spinal cord.

As nouns the difference between diploma and propedeuse

is that diploma is a document issued by an educational institution testifying that the recipient has earned a degree or has successfully completed a particular course of study while propedeuse is a diploma obtained after completion of a first year's (preparatory) study at some European universities.

Propaedeutic is a related term of propedeuse.

As nouns the difference between propaedeutic and propedeuse

is that propaedeutic is such a course of instruction while propedeuse is a diploma obtained after completion of a first year's (preparatory) study at some european universities.

As an adjective propaedeutic

is providing preparatory or introductory teaching.

As a noun sociodemography

is a branch of study combining sociology and demography.

As an adjective sociodemographic is

of or pertaining to sociodemography.

As nouns the difference between sociology and sociodemography

is that sociology is the study of society, human social interaction and the rules and processes that bind and separate people not only as individuals, but as members of associations, groups and institutions while sociodemography is a branch of study combining sociology and demography.

As nouns the difference between demography and sociodemography

is that demography is the study of human populations, and how they change while sociodemography is a branch of study combining sociology and demography.

Seroepidemiologic is a related term of seroepidemiology.

As an adjective seroepidemiologic

is of or pertaining to seroepidemiology.

As a noun seroepidemiology is

(medicine) epidemiology based on the distribution of blood serum antibodies.

Seroepidemiological is a related term of seroepidemiology.

As an adjective seroepidemiological

is of or pertaining to seroepidemiology.

As a noun seroepidemiology is

(medicine) epidemiology based on the distribution of blood serum antibodies.

As nouns the difference between protection and seroprotection

is that protection is the process of keeping (something or someone) safe while seroprotection is (medicine) the protection obtained by vaccination.