genbio quiz

• the primary function of the reproductive systems is to perpetuate the species through sexual or germ cell fertilization and reproduction
• the uterus is a hollow, muscular, pear-shaped organ about the size of a woman's clenched fist.
• the uterus is position by a number of ligaments
• traumas, disease, multiple pregnancies can weaken the ligaments and can cause abnormal positioning of the fetus
• endometrial lining-- dun nanggagaling yung regla, food and source of nutrients sa fertilized egg, dun siya kakapit
• hysterectomy- pagtanggal uterus kasama ang cervix
• outside layer of uterus is called perimetrium
• the inside layer of uterus is called myometrium
• the mucous membrane lining the uterus called endometrium
• endometrium sheds the lining of the uterus to 21-40 days by menstruation
• clinical tearing of perineum area, avoid uncontrolled tearing is called episiotomy
• tube widens to form the ampulla
• the isthmus is the portion that connects to uterus
• fimbria are the finger-like projections around the opening that trap the egg as it leaves the ovary
• opening of the fallopian tube is called ostium
• the fallopian tube is 4-6 inches long
• ectopic pregnancy the egg cell is stuck in the middle
• ovaries is a size of a large olive
• each ovary is filled, already at birth, wit egg-containing sacs called follicles
• each egg is called an ovum
• mons pubis triangular-shaped pad of fatty tissue over the pubis bone
• labia majora: 2 large folds
• labia minora: 2 smaller folds
• vestibule: area between labia
• clitoris: sensitive fold of tissue partially covered by hood
• breast is the milk production and can only take place sa onset of delivery
• kapag maganda ang training ng muscles, hindi magssag
• mastitis inflamation of the mammary glands
• colostrum dito nakukuha ang acquired immunity ng bata kaya dapat sa first few lives ng baby ay mabigay ito sa kanya at nakakadagdag protection
• scrotum: pouch of skin
• epididymis and testicles are connected
• nagccontract yung scrotum dahil malamig
• hindi pwedeng sobrang init at lamig-- ability to keep the mitochondria and surrounding tissues hospitable for sperm
• epididymid- maturation of sperms
• seminiferous tubes- formation of sperms
• first trimester pinaka delikado
• second trimester nakakahinga-hinga na yung baby kasi dun na pinapalaki
• third trimester- naghahanda na sa panganganak ung nanay
• nagbabago ang period of evaluation depende sa ibat ibang factors
• average number of sperm cell; 4.5 billion but 200 to600 million lang nakakreach sa ocyte