Male Reproductive Histology Lab Flashcards Preview

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Flashcards in Male Reproductive Histology Lab Deck (26):
1

Pale staining cells with a prominent nucleus

Sertoli cell

2

Cells on basement membrane; mitotic derivatives of primordial germ cells

Spermatogonia

3

pronounced prophase nucleus, round distinct chromatin profile

primary spermatocyte

4

In underlying connective tissue adjacent to Sertoli cells --> pale staining cells with eosinophilic cytoplasm

Leydig cells

5

plexus of testicular veins that traverse the spermatic cord

pampiniform plexus

6

"hill" in the posterior prostate that marks the site of the entrance of the ejaculatory ducts

seminal colliculus/verumontanum

7

support cells for spermatogonia and progeny (see below); somatic cells and do not divide after puberty (10% of cells in tubules post puberty)

sertoli cells

8

become mitotically and meiotically active at puberty and then comprise 90% of cells in tubules

germ cells

9

2d, 2n

spermatogonia

10

4d, 2n

Primary spermatocytes

11

2d, 1n

Secondary spermatocytes

12

1d, 1n

Spermatids and Spermatozoa

13

cuboidal epithelium that conducts immature spermatozoa from seminiferous tubules to epididymis

rete testis

14

produce testosterone under stimulation of LH in late fetal and postnatal state (stimulated by HCG in the placenta)

leydig cells

15

Leydig cells produce testosterone under the influence of ______

luteinizing hormone

16

Luteinizing hormone is stimulated by _____ in the early fetus

HCG

17

Prenatally, ______ suppresses LH production

testosterone

18

Why don't any new antigens created in the course of sperm maturation provoke
immune reactions in the mother?

Primary spermatocytes and beyond live within sertoli tight junctions on the bloodless side of the blood-testis barrier

19

T/F The progeny of a given type A pale
spermatogonium are clonal

T --> and remain connected to each other by bridges of cytoplasm until late in development

20

lined by pseudostratified low columnar epithelium, some with microvilli, which resorb fluid, and some with sparse cilia that help propel the (as yet) non-motile spermatozoa from seminiferous tubules to ductus epididymis

efferent ductules

21

lined by tall pseudostratified columnar epithelium with large branched stereocilia [not true cilia as lack microtubules and basal body]). These cells with stereocilia (also known as
principle cells), reabsorb much of the fluid from the lumen, as well as secreting additional components into the luminal fluid.

epididymis

22

Site of maturation of spermatozoa and where they acquire motility

epididymis

23

Most prostatic adenocarcinomas arise from glands in the _____ zone

peripheral

24

Most male urethral obstruction caused by benign overgrowth of glands/stroma in the _____ and _____ zones

transitional and periurethral

25

Lined by urothelium (transitional epithelium) until very close to penile tip, where stratified squamous mucosa

urethra

26

accessory male genital glands

seminal vesicles, prostate gland, and bulbourethral glands