Repro Quiz Flashcards

Question 1

Q

Female: temp sensitive

Answer

A

Heat stress:⬆️GCC:⛔️LH rel

Prior to breeding
1st wk after breeding: early emb morta
Last week of gestation: ⬆️stillborn

Question 2

Q

Erect & ejac

Answer

A

Neurons: NO rel:❇️GC➡️GTP:cGMP➡️ Helicine Aa in the Crus of Penis to VD

✳️ICM: ⛔️Venous Return➡️Q in CCav
➡️erection
✳️BSM pulses: squeeze urethra➡️ejac

Tail-flagging

Question 3

Q

Puberty

Answer

A

NPY: ⛔️GnRH secr

Fat:⬆️Leptin➡️⛔️NPY⏩GnRH ✳️LH

Question 4

Q

⛔️FB Loop

Answer

A

HT: GnRH:✳️pitu gl: FSH & LH rel

LH:❇️Leydig cell: ⬆️T prod➡️⛔️LH
FSH: ❇️Sertoli cell: DHT + E2 + inhibin➡️⛔️FSH sec

Question 5

Q

Sperm out

Answer

A

ST: prod
RT: collect
ED: conc &amp; h2o resorb
EPID: transport, mature, conc, store
VD: transport
CS: emit

Question 6

Q

Cauda epididymis

Answer

A

pH: low
⬆️CO2:⬇️O2
⬆️K:⬇️Na
Energy subs: low

Low metab & incr threshold of activatio

Question 7

Q

Sperm anatomy

Answer

A

Head: nuc & AC
2 centrioles
Midpiece: MT Helix➡️ATP
Tail: flagellum

9 outer course fibers: rigid
9+2 tubules: pistons

Dynein arms on double tubulin

Question 8

Q

Spermatogenesis

Answer

A

SpermatoCYTOgenesis: gonia➡️prime
Meiosis: haploids
SperMIOgenesis: round➡️shape
Spermiation: rel sperm ST

Question 9

Q

SperMIOgenesis

Answer

A

Golgi gran flatten nuc➡️ acrosome
Centriole➡️opp pole form 9+2
Condense chromatin
MT ➡️ tail helix
Pinch off resid body➡️cytoplas droplet

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