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Download "анатомия семенника и придатка у жеребца"

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семенник
семенник жеребца
придаток семенника
бурса семенника
синус придатка
оболочки семенника
собственная связка семенника
связка хвоста придатка
влагалищная полость
отличия семенника жеребца
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00:00:05
Let's consider the anatomical parts of the structure
00:00:08
and features of the testis and epididymis of
00:00:15
a stallion, it is well known that the
00:00:19
testes of a stallion are located in the
00:00:21
scrotum, the muscular lasts, the clear shell of the
00:00:25
scrotum, form a septum with a cavity
00:00:27
for each seed, and
00:00:29
in this preparation, the scrotum is absent,
00:00:34
therefore, we will begin our consideration with the membranes
00:00:38
covering the testis, the
00:00:42
shell of the seed to the most superficial
00:00:47
shell is the external spermatic
00:00:51
fascia
00:00:52
facet sperm tika extern
00:00:56
it is attached to the muscular elastic
00:01:01
membrane of the scrotum tunica darts the external
00:01:06
spermatic fascia without borders
00:01:09
passes into the fascia of the levator or
00:01:13
testis
00:01:15
fascia of the old man's cream the fascia of the
00:01:19
old man's cream surrounds the muscle of the levator
00:01:23
testis muscularus cry master which
00:01:28
is a derivative of the internal oblique
00:01:32
muscle of the abdomen
00:01:34
and by Some literary data
00:01:37
and the external oblique muscle of the abdomen under the muscle to
00:01:43
lift or testis is located
00:01:48
inside it, the seminal fascia is the fascia of the
00:01:53
spermatica interna, which is firmly connected
00:02:02
to the parietal layer of the vaginal
00:02:06
membrane, the lamina of Pareto, the
00:02:10
tunica vaginalis, the vaginal
00:02:18
membrane is a structure of the serous
00:02:22
membrane and the parietal layer
00:02:26
grows from the inside to the internal seminal
00:02:29
fascia
00:02:30
and the visceral layer covers the testis, the
00:02:37
epididymis, the vas deferens and the spermatic cord,
00:02:41
between the parietal layer of the tunica vaginalis,
00:02:46
which fuses with the internal
00:02:49
spermatic phases and the
00:02:51
washing leaf of the tunica vaginalis, which
00:02:55
covers the testis, the vas deferens
00:02:59
and the spermatic cord, there is a serous
00:03:02
vaginal cavity containing a small
00:03:07
amount of serous fluid through the
00:03:11
vaginal canal canalis vaginalis
00:03:15
redundant the cavity communicates with the abdominal
00:03:20
cavity, let's look at the
00:03:24
vaginal cavity once again the parietal layer
00:03:36
of the tunica vaginalis lamina pare this is the fox
00:03:40
tunica vaginalis
00:03:42
from the inside covers the internal 7 different phase
00:03:48
fascia sperm tica interna visceral
00:03:52
layer of the tunica vaginalis lamina
00:03:57
visceral tunica vaginalis
00:04:03
covers the outside the testis the epididymis the
00:04:07
vas deferens and the spermatic cord
00:04:15
between the parietal and the visceral
00:04:19
layers of the tunica vaginalis, the
00:04:23
vaginal cavity is located; the
00:04:28
transition of the parietal layer of the tunica vaginalis
00:04:34
into the visceral layer forms the
00:04:40
mesentery of the testis.
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Mizrahi mind in the mesentery of the testis,
00:04:49
two parts are distinguished: the proximal part,
00:04:55
or as it is also called the
00:04:57
vascular fold, it extends from the
00:05:03
parietal layer of the
00:05:04
tunica vaginalis to the epididymis of the
00:05:08
testis;
00:05:09
epididymitis and distal part which
00:05:18
is located from the epididymis to the
00:05:23
epididymis at the edges of the testis the
00:05:27
distal part of the mesentery of the testis
00:05:31
forms the wall of the bursa of the testis
00:05:37
located
00:05:38
between the epididymis and the epididymis you the edge of the testis the mesentery of the
00:05:41
epididymis does not wash down
00:05:54
the units attached to the mesentery of the
00:06:02
testis visor figure at the border and both the
00:06:09
proximal and distal parts
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in the region of the tail of the epididymis to drown
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childrens mesentery thickens and forms
00:06:29
two ligaments own ligament of the testis
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liga minton pestis pro mind connects the
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tail of the epididymis
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cauda epididymitis with the caudate end of the
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testis
00:06:48
extremities cola date tester
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second ligament ligament of the tail of the epididymis
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liga mentu
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cauda epididymitis connects the tail of the epididymis
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with the parietal layer of the
00:07:12
tunica vaginalis let
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's move on to studying the testis itself, the
00:07:23
testis pestis didi miss arkhyz
00:07:28
is a paired parenchymal organ in
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which the production of male
00:07:36
germ cells
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sperm and male sex hormones
00:07:41
androgens occurs.
00:08:05
to the
00:08:11
opposite end of the testis lies
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the tail of the epididymis this end
00:08:20
is called the caudate extremities cauda
00:08:24
then the testis has two edges the epididymal
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edge morgue
00:08:36
epididymitis on which the body of the
00:08:41
epididymis lies epididymitis body the
00:08:46
opposite edge free margu liber
00:08:56
on the testes distinguish two surfaces
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the lateral surface
00:09:02
faces lateralis from the lateral
00:09:06
surface we can clearly see the epididymis of the
00:09:10
testis
00:09:11
epididymitis and the medial surface of the
00:09:18
faces medialis
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from the medial surface of the testis we
00:09:27
can see the vas deferens ductus difference we
00:09:38
will consider the epididymis
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epididymitis this is an organ intended for
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ripening
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accumulation and storage of sperm
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in a state of suspended animation on the appendages the
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following anatomically the part the
00:10:01
head of the epididymis kaput and peds miss
00:10:06
lies on
00:10:08
head chat the end of the testis the body of the
00:10:13
epididymis the body of the epididymitis occupies the
00:10:19
epididymis the edge of the testis and the tail of the
00:10:24
epididymis the cauda and peds miss
00:10:28
is located on the
00:10:30
tail there the end of the testis between the body of the
00:10:37
epididymis and the epididymis you the edge of the testis
00:10:42
is the bursa of the testis
00:10:46
bursa tester it is also called the sinus of the
00:10:52
epididymis sinus epididymitis the entrance to the bursa
00:10:58
of the testis
00:10:59
located on the lateral surface of the
00:11:03
testis, the testes of a
00:11:08
stallion are
00:11:11
characterized by the following characteristics: the testes are
00:11:16
quite large
00:11:17
in adult animals; the ellipsoidal shape is
00:11:24
slightly compressed from the sides; the
00:11:31
epididymis
00:11:33
has a well-defined head of the epididymis
00:11:37
and a separate tail of the epididymis; the bursa of the
00:11:44
testis is wide and deep; one of the
00:11:51
distinctive features
00:11:53
may be the location of the epididymis on the
00:11:58
testes if draw a line
00:12:04
dividing the testis in half, then the head
00:12:09
and tail of the epididymis
00:12:12
will be located above this line. The
00:12:22
structure of the testis is a
00:12:28
parenchymal organ that consists of a
00:12:32
stroma that forms the connective tissue
00:12:37
frame or skeleton of the testis
00:12:40
and parenchyma, which is located inside
00:12:45
and is the functional part of the
00:12:49
testis. The
00:12:52
stroma of the testis is represented by a
00:12:57
connective tissue capsule and
00:13:00
septa.
00:13:01
extending inside the testis and
00:13:04
dividing
00:13:05
it into lobules, the capsule of the testis
00:13:11
is called the tunica albuginea for its
00:13:16
resemblance to the protein of a boiled chicken egg;
00:13:22
the connective tissue tunica albuginea
00:13:25
is located under the visceral layer
00:13:29
of the tunica vaginalis and covers the outside of the
00:13:33
testis and the epididymis; the
00:13:38
tunica albuginea from the side of the head of
00:13:43
this end of the testis
00:13:46
grows inward to form the median
00:13:51
septum called the mediastinum of the
00:13:56
testis media walls tester for a
00:14:02
stallion is characterized by a very weak
00:14:07
expression of the
00:14:09
mediastinum of the testis or
00:14:12
its almost complete absence
00:14:16
from the mediastinum of the tunica albuginea there are
00:14:22
thin layers of connective tissue
00:14:27
called sip tula or sects they
00:14:32
divide the
00:14:34
testis into lobules and bully
00:14:40
pestis inside the
00:14:44
lobules the parenchyma of the testis is located, the
00:14:49
stroma of the testis is represented by the
00:14:53
albuginea the membrane is weakly expressed or
00:14:59
practically absent, and the bca of the
00:15:01
mediastinum and sects
00:15:06
contains
00:15:08
blood and lymphatic vessels as
00:15:12
well as
00:15:13
nerves; the
00:15:17
parenchyma of the testis is its
00:15:22
functional part,
00:15:24
ensuring the production of male germ
00:15:27
cells with perm and male sex
00:15:30
hormones androgens; the
00:15:34
parenchyma of the testis is concentrated inside the
00:15:37
lobes of the testis; lab whether it is a tester
00:15:43
represented by three types of tubules and
00:15:47
interspecial cells, inside
00:15:52
each lobule there are from two to five
00:15:56
convoluted seminiferous tubules; seminiferous tubules; the
00:16:02
length of each such tubule is from 35 to
00:16:07
70 centimeters; the convoluted tubules are covered
00:16:12
from the inside with an epithelium with a spermatic layer
00:16:15
consisting of 5 real supporting
00:16:19
cells Sertoli and germ cells at
00:16:22
different stages of spermatogenesis, that is,
00:16:25
development towards the medium with the shadow of the
00:16:30
testis, the
00:16:32
convoluted seminiferous tubules straighten
00:16:36
and pass into the straight seminiferous tubules, the
00:16:39
tube of the seed ferry roxy, the
00:16:44
straight tubules heading towards the medium with
00:16:50
the shadow, if any, in animals it
00:16:54
forms the testes in it yu network red
00:16:59
with this this network is absent in the stallion,
00:17:05
then efferent tubules emerge from the network;
00:17:10
their number is from 7 to
00:17:15
20 pieces;
00:17:18
efferent tubules arcs tule ether nts
00:17:22
carry male reproductive cells from the seed
00:17:27
to the head of the epididymis,
00:17:30
and since the stallion has no testicular network,
00:17:36
therefore direct the tubules
00:17:40
pass through the efferent tubules
00:17:42
directly the production of male
00:17:47
sex hormones
00:17:49
the second function of the testis is provided by
00:17:55
Leydig cells or inter special
00:17:59
cells these cells are located
00:18:02
between the
00:18:03
and holy seminiferous tubules in the lobules
00:18:06
of the testis
00:18:07
and provide the production of the known
00:18:11
sex hormone testosterone
00:18:15
another one of the cells are Sertoli cells or
00:18:19
sust and nation you
00:18:21
are located in convoluted seminiferous
00:18:24
tubules and ensure spermatogenesis in
00:18:30
them and also participates in the formation of
00:18:32
hematomas of the secular barrier.
00:18:37
Thus, the distinctive
00:18:41
features of the
00:18:43
stallion's testis visible on the section include the
00:18:47
weakly expressed or practically
00:18:50
absent mediastinum of the testis and the
00:18:56
light brown color of its parenchyma the
00:19:03
structure of the epididymis of the
00:19:08
testis
00:19:10
epididymitis is parenchymal organ
00:19:15
consisting of stroma
00:19:18
that forms the connective tissue
00:19:21
frame of the epididymis
00:19:23
and the functional part of the parenchyma stroma of the
00:19:29
epididymis is represented by the tunica
00:19:33
albuginea
00:19:34
tunica albu genes that covers the
00:19:38
appendage as well as the testis from the outside the tunica albuginea
00:19:44
is actually the
00:19:47
capsule of the epididymis
00:19:51
consisting of connective tissue from the
00:19:56
tunica albuginea in the area of ​​the head of the
00:19:58
epididymis the septa sip tula extend off,
00:20:04
which divide the head of the epididymis into
00:20:08
lobules lapuli epididymitis the lobules have a
00:20:14
conical shape, which is why they are also
00:20:16
called
00:20:17
cones epididymitis the parenchyma of the
00:20:22
epididymis in the area of
00:20:24
its head is represented by the efferent
00:20:27
tubules spirit tule achirin this further
00:20:33
efferent tubules from 7 to 20 pieces are
00:20:37
combined into common duct of the epididymis
00:20:41
ductus epididymitis duct of the epididymis
00:20:46
occupies the entire body of the epididymis and its tail in the
00:20:52
stallion the duct of the epididymis reaches a length of
00:20:56
70-80 meters and makes up the parenchyma of the body
00:21:01
and tail of the epididymis
00:21:05
from the tail of the epididymis the duct of the epididymis
00:21:10
passes through the vas deferens or vas deferens
00:21:16
ductus difference

Description:

анатомические части, строение и особенности семенника, придатка семенника у жеребца. Оболочки семенника. Терминология приведена в соответствие с 5-й редакцией международной анатомической номенклатуры.

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