Block 4 Histology Md 1 Reproductive 2 Part A

Front 1

Male Genital Ducts

Tubuli recti: From each lobule of the testis, one straight tubule or tubulus rectus emerges, connecting the

Back 1

seminiferous tubule with the rete testis.

beginning the tubulus rectus is lined by =

Hint 1

columnar

structurally similar to, Sertoli cells.

Front 2

Male Genital Ducts

(distal) straight tubule is lined by =

Back 2

cuboidal

The luminal surface of the cells is smooth and is not provided with cilia.
not surrounded by smooth muscle cells.

Front 3

Male Genital Ducts
Tubuli recti:
tight junctions on the ____ _____
in contrast to Sertoli cells which have tight junctions near the base.

Back 3

apical side

Front 4

Rete testis

lined by a

Back 4

simple epithelium
a mixture of low columnar, cuboidal or squamous cells.

-thin basal lamina
-Androgen-binding protein produced by Sertoli cells, binds androgens

Front 5

Rete testis contains larger concentration of androgen than ____ _____ . Intraluminal androgen favors the normal function of the head of the epididymis.

Back 5

arterial blood

Front 6

Ductuli efferentes

upper part of the mediastinum testis, ___-___ ductuli efferentes emerge.

Back 6

15-20

As the ductuli efferentes exit the testis, they become highly coiled and form ___ ____ conical masses, called the ____ ________.

Hint 6

6-10


coni vasculosi

Front 7

ductuli efferentes are lined by a typical epithelium, mostly

Back 7

-simple columnar
or
-pseudostratified columnar
-thin basal lamina

Front 8

Ductuli efferentes
internally the lumen is

Back 8

irregular
scalloped or saw-tooth appearance)

Front 9

Most of the fluid secreted in the seminiferous tubules is absorbed in the =

Back 9

efferentes ductules

Front 10

The ductules are bound by connective tissue and each is surrounded by a thin layer of circularly arranged

Back 10

smooth muscle fibers.

info+

Hint 10

Groups of tall columnar cells alternate with groups of much shorter cells. The tall cells have a dense acidophilic cytoplasm and are ciliated. The shorter cells, which contain many lysosomes have numerous microvilli and are absorptive in function.

Front 11

Ductus epididymis
single highly coiled tube (_-_ cms), which stores =

It is lined by =

Back 11

4-6

sperm

pseudostratified columnar

Front 12

Ductus epididymis
columnar cells is covered with
stereocilia

Back 12

stereocilia

Front 13

Stereocilia have neither

Back 13

basal bodies nor internal microtubules

Front 14

Epididymis

epithelial cells are supported on a thick

Back 14

basal lamina
smooth muscle

muscle layer gradually thickens in the =

Hint 14

tail of the epididymis.

Front 15

Epididymis
Besides absorption, epithelial cells secrete =
4ct

Back 15

carnitine
sialic acids
glycoproteins
glycerylphosphorylcholine.

Front 16

Epididymis
is acquired from the body to the =

Back 16

tail of the epididymis

Front 17

Epididymis has 3 main functions

Back 17

Sperm matur
Sperm storage
Sperm transport

Front 18

Sperm maturation includes

Back 18

a. Stabilization of condensed chromatin.
b. Changes in plasma membrane surface charge.
c. Acquisition by sperm of new surface proteins
(e.g. surface – associated decapacitation factor)

Front 19

vas deferens aka =

Back 19

ductus deferens

Front 20

ductus deferens is a continuation of the =

Back 20

duct of the epididymis.

It then passes up within the =

Hint 20

spermatic cord through the inguinal canal

Front 21

vas deferens or ductus deferens route is =

Back 21

tail of the epididymis and ascends

posterior border of the testis.

It then passes up within the ___ ___ through the___ ___ into the ____ and then____ into the ___ to reach the posterior surface of the ____..

Here it expands to form the ___ and then joins the ___________________ to form the ____ ____.

Hint 21

spermatic cord
inguinal canal i
abdomen
descends
pelvis

bladder

ampulla
duct of the seminal vesicle
ejaculatory duct.

Front 22

vas deferens has what layers =

Back 22

mucous membrane,
a very thick muscular coat
a fibrous coat, adventitia.

Front 23

Ductus deferens
The mucous membrane is arranged in longitudinal folds and is lined by a =

Back 23

pseudostratified columnar
stereocilia

Front 24

Ductus deferens
The lamina propria is formed of connective tissue rich in =

Back 24

elastic fibers
highly vascularised.

Front 25

the spermatic cord contains =
3ct

Back 25

cremaster muscle
spermatic artery
veins of pampniform plexus

Front 26

slide 11

Back 26

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