embryology

Question 1

what’s the normal site of implantation

Answer 1

upper part of the posterior wall of the body of the uterus in the midline.

Question 2

whats the abnormal site of implantation

Answer 2

in the uterus: planta previa
outside the uterus:
tubal pregnancy
ovarian pregnancy
abdominal pregnancy

Question 3

essay: describe the placenta previa

Answer 3

implantation of the blastocyst in the lower part of the body of the uterus near the internal os of the cervix

Question 4

essay: describe ectopic pregnancy

Answer 4

implantation occurs outside of the uterus comes in 3 types: tubal pregnancy, ovarian pregnancy, abdominal pregnancy

Question 5

essay: describe capacitation of sperm

Answer 5

cleaning of the sperm by removing glycoprotein coat and the seminal fluid from the head of the sperm

Question 6

essay: describe acrosome reaction

Answer 6

release of acrosomal enzymes from the acrosome

Question 7

can the sperm fertilize the ovum directly after ejaculation

Answer 7

no, it takes about 5-7 hours

Question 8

can the ovum get fertilized by two sperms

Answer 8

yes, maybe but rare and that when zona reaction don’t occur

Question 9

identification of sex is at the time of fertilization

Answer 9

no, its at the time of fertilization the sex get DETERMENT