Final - Reproductive System Flashcards
What is A? E?
A: head of epididymis
E: body of epididymis
What is D?
bonus: what are the thick white “scars” to the right of D?
rete testis
BONUS: septa
What is B
tunica albuginea
What is this structure?
testes with the head of the epididymis (a) and the body of epididymis (e)
What is the general tissue type inside the tubules?
What is the specific tissue type?
Bonus: what cells are found in the CT?
General Tissue Type: Germinal Epithelium
Specific Tissue Type: Seminiferous Tubule Epithelium
Bonus: myoid cells
What is B?
Seminiferous tubule
This is testis tissue.
What are the round medium-sized dots?
What are the cells call that are within the dotted line but on the outside?
Spermatatids
Spermatazoan - on the outside, going to the zoo.
This is testis tissue.
What are the rounded, immature spermatogenic cells to the upper left of the more superior 5?
What are the cells with a big, visible condensed chromatin to the right of those?
Spermatagonia - they rest on basal lamina
Spermatocytes
This is testis tissue.
What is 5? What does the green dotted line represent?
- Sertoli cells
Sperm in the lumen.
This is testis tissue. Name the structures:
5 and what would be in the CT?
- Sertoli cells
Myoid cells would be in CT
This is testis tissue. Name the structures:
3 & 4
- spermatids
- spermatozoa
This is testis tissue. Name the structures:
1 & 2
- spermatogonia
- spermatocytes
What is A? And what does it secrete?
Leydig cells
Secrete: testosterone, androgens
What structure is this?
testis
What is C?
D?
C: septum
D: seminiferous tubules
Note: you’ll find Leydig cells between the tubules in higher mag. They secrete androgens and testosterone. Also myoid cells are in the CT and won’t be tagged.
What is A?
B?
A: tunica albuginea (white jacket)
B: blood vessels
What is this structure?
testis
What is A? What do they secrete?
B?
C?
D?
E?
F?
A. Leydig cells; testosterone and androgens
B. Sertoni cells
C. Spermagonia
D. Primary Spermatocytes
E. Spermatids
F. CT or myoid cells (won’t be tested)
A?
B?
What kind of tissue lines B?
A: blood vessels
B is a….
Tissue: dense CT (but smooth right around it, see close up that is coming soon)
What general and specific tissue type?
General: pseudostratified columnar epithelia with sterocilia
Specific: Epididymis tissue
What is C?
D?
C. smooth muscle
D. dense CT
General tissue type?
Specific tissue type?
General: pseudostratified columnar epithelium with stereocilia
Specific: epididymis tissue
What are the arrows pointing to?
Stereocilia, which is cilia of unusual length
What is this long, coiled tube with a stellate shaped lumen structure?
ductus epididymus
stellate lumen similar to ureter
what is B?
what is C?
B: loose connective tissue
C: several layers smooth muscle arranged in a circle around ductus deferens
General tissue type? (A)
Specific tissue type?
General: pseudostratified columnar epithelium with stereocilia
Specific: Ductus deferens
What is this structure?
ductus deferens
What is C? D?
C. lamina propria
D. smooth muscle, circular
What are the structures lining the lumen (B)?
pseudostratified columnar epithelium with stereocilia
What is A? (include direction)
B?
A. smooth muscle, longitudinal layers
B. lamina
What is this structure?
Ductus deferens
What tissue lines the Spongy/Penile Urethra (C)?
Pseudostratified columnar epithelium
EXCEPT at distal end where its lined with stratified squamous epithelium that is continuous with skin of penis
What are the “eyeballs” within the corpus cavernosum?
central arteries of penis
What is C?
D?
C. Spongy/Penil Urethra
D. Tunica Albuginea
What is A?
B?
A. Corpus Cavernosum
B. Corpus Spongiosum
What is the mostly pink, emptyish space?
Corpus albicans
What structure will you see around secondary follicles (red circles) that will look like a pink circle?
“egg shell” or zona pellucida
Yellow circle? squamous follicular cells
White? cuboidal follicular cells in a ring
Red? follicular cells specialize, called the theca.
Cells of theca? What are they secreting?
Yellow circle: primordial follicles
White: primary follicles
Red: secondary follicles
Cells called granulosa cells, later will secrete estrogen
What is the green line tissue?
What is between the yellow lines?
Purple cells? (not outlined)
Green line: Germinal epithelium
Yellow lines: stromal cells
Stromal/Follicular cells (the ball structures are all the follicles)
What letter will the follicles be embedded at different sizes?
The cortical tissue, B.
If you see medulla at all, there will be gaps for blood supply.
What is B?
C?
B. cortex
C. medulla
What is A?
oviduct
What stage is this cell?
What is A?
Primary Follicle because 1. single layer cuboidal cells and 2. zona pellucida (pink “egg shell”) is beginning to form inside the follicular cells.
A. follicular cells
what is a?
follicular cells
What is G?
H?
I?
G. theca interna
H. granulosa cells
I. antrum
What is D?
E?
F?
D. zona pellucida - pink circle adjacent to follicular cells
E. growing follicles
F. atretic follicle
What is A?
B?
C?
A. tunica albuginea
B. primordial follicles
C. germinal epithelium
What is this overall structure?
Cortex of ovary
What stage is this? And what is A?
Stage: primordial follicle – single layer squamous, flattened follicle cells. Also, nucleus is usually off to the side.
A. follicle cells
What stage is this? What is A? B?
late primary stage - mass of granulosa cells; zona pellucida forming.
A. granulosa cells surrounding primary oocyte
B. zona pellucida is between oocyte and follicle cells
What is the antrum (B) filled with?
Follicular liquor
What is this stage?
What is A?
B?
C?
D?
Secondary follicle
A. Granulosa cells within the stratum granulosum
B. antrum filled with follicular fluid
C. theca interna cells
D. theca externa cells
What is B?
C?
D?
Yellow circles?
B. antrum filled with follicular liquor
C. Stratum granulosum
D. Theca cells
Yellow circles: primordial
What is A? (green dotted line)
What is F? (between the dotted lines)
What is the light pink line within the oocyte?
A. cumulus oophorus “egg cloud” launch pad/ bridge
F. corona radiata or “radiant crown” containing the oocyte
Pink within the oocyte = zona pellucida
What is this structure?
Mature graafian follicle
What is this A structure?
B?
A. Atretic follicle - degenerating oocyte. Notice the distorted zona pellucida
B. zona pellucida
What is this structure?
Corpus albicans is a white scar that forms when the corpus luteum degenerates, involutes and autolyses after pregnancy and menstruation
What is this structure? What hormone does it secrete? Arrows?
Corpus luteum
Estrogen, progesterone
Arrows: theca interna
What is this structure?
Oviduct / Uterine tube / fallopian tube
What structure is this? What kind of tissue?
Lumen of uterine tube/fallopian tube/ oviduct
Tissue: simple columnar epithelium composed of ciliated cells (above arrow) and non ciliated cells (below arrow)
What is the myometrium (mid layer) made of?
Perimetrium (bottom)?
Myometrium is this muscular layer with 3 layers smooth muscle
Perimetrium is serous layer/visceral peritoneum composed of mesothelium and thin layer of loose CT
What is the endometrium (top layer) made of?
inner layer of mucosa of the uterus
stratum functionale/functional zone is the thick part that is sloughed off at menstruation
What is this structure? What are the three sections starting from the top?
Uterus
Top: endometrium
Mid: myometrium
Bottom: perimetrium
What is this structure? What is GI? SF? SB?
uterus
endometrial glands
stratum functionale
stratum basale
A?
B?
C?
D?
A. Stratified squamous epithelium
B. mucosal layer
C. blood vessels
D. muscular layer
General tissue type? Specific tissue type?
General: parakeratinized stratified squamous epithelium
Specific: vaginal mucosa
What is this structure?
vagina
What is this structure? What are these cells and what do they do?
Mammary gland. Myoepithelial cells that propel milk along the duct.
What is this structure?
Mammary gland with lactiferous duct
What is C?
D?
C. interlobular stroma
D. lactiferous duct
What is A (green circle)?
B?
A. secretory acinar cell
B. interlobular stroma (CT and adipose)
What is this structure?
mammary gland
What phase is this?
Menstrual
stratum functionale sloughed away, blood, necrosis … complete anarchy
What phase is this?
Secretory
glands are corkscrew shaped now … it’s taking over
What phase is this?
Proliferative
cells are corkscrew shaped
