General Anatomy, Applied to Physiology and Medicine, Vol. 3 (of 3)Bichat, Xavier
Science
General Anatomy, Applied to Physiology and Medicine, Vol. 3 (of 3)
Bichat, Xavier
Human anatomy; Human physiology
In all the salivary glands, in the lachrymal, in the pancreas, in all
the glands with a granulated and white parenchyma, it is very abundant.
Each glandular body is divided into lobes very distinctly separated
by grooves which this texture fills, and which produce the lobulated
appearance on the exterior of this species of gland; not only each
lobe, but each lobule, each glandular grain even, has also the cellular
texture for a boundary. In this respect, this sort of gland is truly
an assemblage of small distinct bodies, which, separated from each
other, would also perform well their functions. This is what is seen
in the parotids, in which different accessory glands are often found
in the course of the duct of Steno, and are perfectly independent of
the principal gland. Sometimes there is a continuity, sometimes there
is a separation between the sub-maxillary and the sub-lingual glands.
The cellular texture is often loaded with much fat in this species of
gland. This is especially remarkable in the mammæ, the size of which is
owing sometimes to the glandular texture, as in young people in whom
this texture predominates over the fat; sometimes to the predominance
of this fat, as we see after the fortieth year, when this gland
preserves a considerable size. The difference is easily perceived by
the touch by the softness and flaccidity of the organ in the second
case, and by its resistance and firmness in the first. In the age of
puberty often, it is also the fatty cellular texture which increases
the size of this organ. Hence why there is often but little milk from
a large breast, and a much greater quantity from a smaller one. In the
voluptuous sensations which we experience at the sight of this organ,
we distinguish very well, without being conscious of it, the breast
whose prominence is real, from that which is not, and in which the fat
only raises the skin of the breast. It is rare in the salivary glands,
the pancreas, &c. that the cellular texture predominates so much, that
the fat accumulates in them in so considerable a quantity. I have
however seen cases in which the parotid resembled a fatty muscle; but
there was no increase of size.
In the testicle, whose parenchymatous portions are separated as in the
preceding glands, the cellular texture is not the medium of union.
There is found between each grain species of threads which appear to be
excretories, and not real cellular laminæ.
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