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Reproductive System > Histology > Flashcards

Histology Flashcards

1
Q

What do we call the tough CT covering the testes?

A

Tunica albuginea

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2
Q

What is the tunica vasculosa?

A

The vascular layer beneath the tunica albuginea

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3
Q

What surrounds each seminiferous tubule?

A

Perilobar CT and Leydig cells

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4
Q

What do Leydig cells respond to and secrete?

A

LH responsive

Secrete testosterone

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5
Q

Which cells form the blood-testis barrier?

A

Sertoli cells

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6
Q

Which cells secrete inhibin?

A

Sertoli cells

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7
Q

What kind of epithelium lines the rete testis?

A

Simple cuboidal

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8
Q

What is the true length of the epididymis?

A

4 - 6 m

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9
Q

Describe the walls of the epididymis

A

Pseudostratified columnar epithelium with stereocilia

Smooth muscle surrounds

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10
Q

How many layers of smooth muscle does the vas deferens have?

A

3

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11
Q

From where are the seminal vesicles derived?

A

Vas deferens

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12
Q

What type of stimulation causes seminal vesicle secretion?

A

Sympathetic

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13
Q

Where is the prostate gland?

A

Surrounds the urethra at the base of the bladder

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14
Q

Which zone of the prostate does BPH tend to occur in?

A

Transition zone

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15
Q

Which zone of the prostate does a carcinoma tend to occur?

A

Peripheral zone

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16
Q

What are neural crest cells?

A

Temporary group of cells unique to vertebrates
Arise from ectoderm, at margins of neural tube
Give rise to diverse cell lineage - migrate to many different locations

17
Q

What is contained within the medulla of the ovary?

A

Nerves
Blood vessels
CT
Stromal cells

18
Q

When does the zona pellucida start development?

A

Primary stage

Finished by antral

19
Q

What are the stages of follicular development?

A 
Primordial
Primary 
Pre-antral
Early antral 
Mature
Corpus luteum
20
Q

A secondary follicle is the same as which stage?

A

Pre antral

21
Q

Pre-pubertal ovaries will contain what kinds of follicles?

A

Primordial follicles only

22
Q

Why is there a rich blood supply to the corpus luteum?

A

To get the hormones into circulation

23
Q

Name the different parts of the Fallopian tubes

A 
Fimbria
Infundibulum 
Ampulla 
Intramural part 
Isthmus
24
Q

What is the infundibulum?

A

The bell shaped portion to which fimbria are attached

25
Q

The walls of the Fallopian tube consist of …

A

Inner mucosa (columnar epithelium)
Muscular layer
Outer serosa

26
Q

What are Peg cells?

A

Non-ciliated cells in the Fallopian tubes that secrete mucus

27
Q

What are the 2 layers of endometrium?

A

Stratum basalis

Stratum fucntionalis

28
Q

How many layers of smooth muscle is in the myometrium?

A

4

29
Q

How does the endometrium receive a blood supply?

A

Arcuate arteries from uterine arteries

Arcuate arteries branch to straight arteries (s. basalis) and coiled arteries (s. functionalis)

30
Q

What are the 2 layers of stratum functionalis?

A

Stratum spongiosum

Stratum compactum

31
Q

Which layer is shed during menses?

A

Stratum functionalis

32
Q

Describe the epithelium of the cervix

A

Most is simple columnar

At the squamocolumnar junction just inside the external Os it changes to stratified non-keratinised squamous

33
Q

Why does the vagina accumulate glycogen?

A

Substrate for lactobacilli - maintain the normal acidic pH of the vagina

34
Q

Does the vagina have glands?

A

No

35
Q

How is the vagina lubricated?

A

Mucus of cervical glands

Vestibular glands

36
Q

Describe the movement of the squamocolumnar junction

A

Gradual movement into cervical canal during reproductive life
(Gets higher and higher)

37
Q

What type of gland is the breast?

A

Modified sebaceous

38
Q

How do oestrogen and progesterone contribute to breast development?

A

Oestrogen - proliferation of duct system

Progesterone - development of secretory tissues

39
Q

70% of breast malignancies are …

A

Infiltrating ductal carcinomas

Reproductive System (17 decks)

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