hymen
The outward appearance is usually called the phenotype. In contrast the alleles present in the cells is called the genotype.
Closed DNA (circular) is a characteristic of prokaryotes. Circular DNA that is not on the bacterial chromosome are called plasmids.
The small circular segment of DNA is called plasmid.
Haversian systems or osteons
A circular band of DNA that exists separate of chromosomal DNA is called a plasmid. Plasmids reside within bacteria cells and can replicate independently of the chromosomal DNA.
Uniform circular motion.
circular
circular
They are usually called the bases.
A cave entrance is commonly referred to as a cave mouth or cave opening.
Not really sure but the music usually heard at the circus is "Entrance of the Gladiators".
An inverse is NOT called a circular function. Only inverse functions that are circular functions are called circular functions for obvious reasons.
Circular saws are usually named by the diameter of the blade, 6 in., 7, 1/4 in, 8 1/4 in. 16 in. etc.
It's usually banged on a circular piece of polished wood - called a sound block.
In a church, it's usually called a rosette window, but it could also be a mandella.
The water basin at the entrance to a Catholic church is called a "holy water font" or alternatively a stoup.
It's called a plasmid.