Reproductive systems

Question 1

what separates the two scrotum into two compartments?

Answer 1

scrotal septum

Question 2

what is each testis suspended by?

Answer 2

spermatic cord

Question 3

what are the two tissue layers of the testis?

Answer 3

tunica vaginalis (outer)and tunica albuginea

Question 4

what are seminiferous tubules made from?

Answer 4

sertoli cells

Question 5

what are the roles of the sertoli cells?

Answer 5

secrete nutrients for developing spermatozoa

Question 6

what is mitosis?

Answer 6

diploid spermatogonia duplicate forming diploid primary spermatocytes

Question 7

what is meiosis 1?

Answer 7

primary spermatocytes divide into 2 haploid daughter cells (secondary spermatocytes)

Question 8

what is meiosis 11?

Answer 8

secondary spermatocytes divide to form 4 haploid daughter cells (spermatids)

Question 9

what is spermatogenesis?

Answer 9

development of spermatids into mature spermatozoa

Question 10

what are the endocrine functions?

Answer 10

leydig cells between seminiferous tubules secrete testosterone close to capillary

Question 11

what happens if the testes get too cold?

Answer 11

drawn closer to the body by the cremaster muscle

Question 12

what is the epididymis?

Answer 12

spermatozoa are stored and matured in the tail

Question 13

what is the role of the vas deferent?

Answer 13

stores and conveys spermatoza

Question 14

what is the role if the seminal vesicle?

Answer 14

joins vas deferens to form ejaculatory duct where sperm and seminal fluid are mixed 60% of semen volume

Question 15

what is the role of the prostrate gland?

Answer 15

surrounds prosthetic urethra, milky acidic fluid , 30% of semen volume, role in activating sperm

Question 16

what is in the fluid released from the prosthetic gland?

Answer 16

citrate, enzymes and prostatic specific antigen

Question 17

what is prostatitis?

Answer 17

pain when urintaing and ejaculating

Question 18

what is the treatment for prostatitis?

Answer 18

antibiotics, painkiler, alpha adrenergic blockers

Question 19

what are the symptoms of prostrate cancer?

Answer 19

during coughing and sneezing, blood enter urine

Question 20

what are the roles of the bulbourethal gland?

Answer 20

below prostate gland, mucus like secretion enters uretha during arousal to neutralise urine residue

Question 21

what happens during erection?

Answer 21

arteries dilate, penis becomes distended, compression of veins reduced outward blood flow

Question 22

what is emission?

Answer 22

sympathetic control, release of small volume of seminal fluid before ejaculation

Question 23

what is ejaculation?

Answer 23

contraction of bulbospongiosus muscle

Question 24

what are the functions of semen?

Answer 24

transport medium, nutrients, chemicals which activate and protect the sperm