The muscular coat consists ofunstriped fibres arranged in two layers, the outer longitudinal and the inner circular (see fig.
External to this is the basement membrane, outside which is a layer of retiform tissue, and this is separated from the submucous coat by a very thin layer of unstriped muscle called the muscularis mucosae.
Superficial to the mucous coat is a sub-mucous, consisting of loose connective tissue, while superficial to this are three coats of unstriped muscle, the inner oblique, the middle circular and the outer longitudinal.
The involuntary from their smooth, regular appearance under the microscope are called the unstriped or non-striated muscles.
The origin of the different systems of unstriped muscles in the vertebrate is bound up with the origin of the sympathetic system and its relation to the cranial and sacral visceral systems.
Also, so far as I know, the distribution of unstriped muscle in Ammocoetes has not been worked out.
They cause this to contract, whether it be striped and voluntary, or of the involuntary unstriped kind.
Unstriped muscular fibres exist in the middle coat of arteries, in the walls of capillary vessels, in the lining of the ducts of glands generally, and in the substance of the heart and the coats of the stomach and intestines.
But in small doses they constrict and stimulate to a healthy condition these tubes that contain in their coats the unstriped fibre.
The muscles in all parts of the body consist of striped muscular fibre, never of unstriped muscular tissue.
The muscles of the body-wall and gut do not consist of transversely-striped muscular fibre, but of the unstriped tissue observed also in Chaetopoda.
Now, can you tell me whether each spine has likewise an oblique unstriped or striped muscle, as figured by Lister?
Such movements, as well as laughter from being tickled, are manifestly reflex actions; and this is likewise shown by the minute unstriped muscles, which serve to erect the separate hairs on the body, contracting near a tickled surface.
It is generally believed that the peristaltic movements of the intestines are influenced by attention being paid to them at fixed recurrent periods; and these movements depend on the contraction of unstriped and involuntary muscles.
How can the contraction of the unstriped and involuntary arrectores pili have been co-ordinated with that of various voluntary muscles for the same special purpose?
According to the same observer, analogous contractions affect the unstriped muscular fibres, in those of the skin producing a projection of the papillæ, and in the genital organs a discharge of semen.
Belladonna was advised by Trousseau as a stimulant to unstriped muscular fibre, and it can well be given with strychnia; ipecacuanha and atropia are approved of in conjunction.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "unstriped" in a variety of sentences. We hope that you will now be able to make sentences using this word.
