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RUSVM Pathology 2 > Male Reproduction > Flashcards

Male Reproduction Flashcards

1
Q

Where does maturation and maintenance of the sperm take place

A

Epididymis

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2
Q

When making a tissue preparation of a testicle, how should you make you sections?

A

Longitudinal sagital section

Bread loaf

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3
Q

Is autolysis more prevalent in rams or bulls?

A

Rams

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4
Q

Where are the sperm produced?

A

Seminiferous tubules

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5
Q

Interstitial cells produce what hormone? What is another name for the interstitial cells?

A

Testosterone

Leydig cells

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6
Q

What do you call an animal that has testicles but has the external genitalia of a female

A

Male pseudohermaphrodites

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7
Q

Is segmental aplasia of the epididymis a significant finding

A

No, incidental finding

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8
Q

What are the 4 main disease of the scrotum

A

Dermatitis
Scirrhous cord
Varicocele
Neoplasia

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9
Q

What is varicocele ?

A

Dilation of the spermatic vein/ pampifniform plexus/ cremasteric veins

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10
Q

What is a scirrhous cord? What species and bacterial do we usually see this in?

A

Fibrous granulation tissue causing enlargement of the spermatic cord caused by bacterial infection

Horse>staphylococcus infection

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11
Q

What diseases can affect the tunica vaginalis?

A

Inflammation -> direct extensions from orchitis, epididymis, or scrotal dermatitis

Tumors Eg mesothelioma

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12
Q

What do you call a congenital conditons where one or both testis fails to descend to the scrotum

A

Cryptorchidism

-> fail to produce sperm and prone to testicular neoplasia or torsion of the spermatic chord

In abdomen or inguinal canal

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13
Q

What do you call the failure of growth of a testicles

A

Testicular hypoplasia

-bilateral or unilateral

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14
Q

What are causes of testicular degeneration?

A

Thermal
Cryptorchidims
Hypoplasia
Chemical

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15
Q

In testicular degeneration, ________________ separates the seminiferous tubules causing spermatogenic arrest

A

Intersitial fibrosis

Also can see multinucleated spermatids

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16
Q

What bacterial infections can cause orchitis?

A

Brucella
Pseudomonas
Mycobacterium
Nocardia

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17
Q

Sterility from orchitis is a result of?

A 
Tubular damage
Increased temperature 
Pressure atrophy/necrosis 
Bacterial toxin/cytokine production 
Pus in ejaculate 
Duct blockage
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18
Q

What do you call inflammation of the epididymis?

A

Epididymitis

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19
Q

What is a sperm granuloma?

A

A foreign body inflammatory rxn to sperm that have escaped the tubular structures

May be seen in epididymis, seminal vesicles, and prostate

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20
Q

What cells are present in a sperm granuloma

A

Macrophages and multinucleated giant cells coming into contact with spermatozoa

21
Q

What are the 4 types of testicular neoplasia ?

A

Interstitial cell tumors
Seminoma
Sertoli cell
Teratoma

22
Q

A seminoma is a tumor of what type of cells?

A

Spermatogoinia (germ cells)

23
Q

What is a predisposing factor for seminoma?

A

Cryptorchidims

24
Q

T/F: seminomas are usually metastatic and have effects on the endocrine system

A

False

Rarely metastatic
No endocrine effect

25
Q

Dog

Well circumscribed mass in the testicles
White and homogenous
Resembles neoplasic lymphoid tissue

A

Seminoma

26
Q

Leydig cell tumors are most commonly seen in what sp?

A

Dog

27
Q

What effects will an leydig cell tumor have?

A

Secrete androgen

Prostate hyperplasia

28
Q

Dog

Well demarcated, yellow-tan mass

Histo shows
Cells are arranged in packets surrounding a fine stroma typical of endocrine cells.
Cells are vacuolated

A

Intersitial (leydig) cell tumor

Vacuolation and yellow colour due to hormone production

29
Q

Dog

Cryptorchid testicle with a well demarcated, firm white mass

Dog has atrophy of mammary gland and teat enlargement
Swelling of the prepuce
Symmetrical alopecia

A

Sertoli cell tumor

Production of estrogen causes feminization of the male

30
Q

Young horse

Mass in testis containing CT tissue, bone, cartilage, muscle, and hair

A

Teratoma

31
Q

What are the accessory glands?

A

Prostate
Seminal vesicle
Bulbourethral glands

32
Q

What accessory glands are found in the horse, bovine, and pig?

A

Prostate
Seminal vesicles
Bulbourethral

33
Q

What accessory glands are found in the cat?

A

Prostate

Bulbourethral

34
Q

What accessory glands are found i the dog?

A

Prostate

35
Q

What do you call the reeducation in size and cell number of the prostate, usually occurring following castration

A

Prostatic atrophy

36
Q

What is usually the cause of prostatic hyperplasia?

A

Hormonal imbalances

See glandular hyperplasia and multiple cyst formations

37
Q

What do you call inflammation of the prostate

A

Acute and chronic prostatitis

38
Q

In a histopathology of a prostate …

You see that the columnar epithelial cells have changed to squamous

What is this caused by?

A

Caused by estrogen

  • sertoli cell tumors
  • estrogen administration
39
Q

What do you call a connection between ventral penis and the prepuce causing penile deviation

A

Persistent frenulum

40
Q

What congenital defect causes incomplete fusion of the urethral folds

A

Hyposadia

Non fused prepuce, scrotum and urethral opening on the ventral side

41
Q

What do you call narrowing of the preputial orfice preventing protrusion of the penis?

A

Phimosis

42
Q

What do you call narrowing of preputial orifice preventing retraction of an already protruded penis?

A

Paraphimosis

43
Q

Inflammation of the glans penis

A

Balanitis

44
Q

Inflammation of the prepuce

A

Posthitis

45
Q

What virus of horse cause disease of the penis and prepuce with ulcers that heal leaving unpigmented skin

A

Equine herpes virus 3 (equine coital exanthema)

46
Q

In sheep what bacteria causes a granulomatous mass on the penis or prepuce

A

Corynebacterium

47
Q

Bovine herpes virus 1 will cause what disease of the penis in bulls?

A

Balanoposthitis

Inflammation of both glans penis and prepuce

48
Q

In a dog

Penis has a large multinodular mass i

Histopathology shows
Round, uniform sided cells, arranged in packets and a fine fibrous stroma

Dx

A

Transmissible venereal tumor

RUSVM Pathology 2 (16 decks)

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