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Level 119

LC 1.5a Pregnancy: An Altered Physiological State?


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Atresia
A condition in which a body orifice or passage in the body is abnormally closed or absent
Oogenesis
The process whereby egg cells are produced
Spermatogenesis
The process whereby sperm cells are produced
Menstruation
This occurs between days 1 to 5 of the uterine cycle
Proliferative phase
The phase of the uterine cycle occurring between days 5 to 14
Secretory phase
The phase of the uterine cycle occurring between days 14 to 28
Testosterone
The hormone which acts as the major testicular androgen
Leydig cells
Cells within the testis that secrete testosterone
Zona pellucida
The membrane that surrounds the egg cell which sperm cells must penetrate
Human chorionic gonadotropin
A hormone produced during pregnancy that is made by the developing placenta after conception, and later by the placental component syncytiotrophoblast
Polyspermy
Where multiple sperm penetrate into the egg cell. Usually prevented by the zona pellucida
Breast ducts, uterine myometrium, pelvis relaxes
The various stimulations caused by oestrogen in pregnancy. [_______], [_______], [_______], paracrine placenta and more progesterone
Paracrine placenta and more progesterone
The various stimulations caused by oestrogen in pregnancy. Breast ducts, uterine myometrium, pelvis relaxes, [_______] and [_______]
Breast pouches, maintains uterine lining, inhibits contractions
The various stimulations caused by progesterone in pregnancy. [_______], [_______], [_______], controls hCG, hCS and respiratory stimulation
Controls hCG, hCS and respiratory stimulation
The various stimulations caused by progesterone in pregnancy. Breast pouches, maintains uterine lining, inhibits contractions, [_______], [_______] and [_______]
Human chorionic somatomammotropin
A pregnancy hormone secreted by syncytiotrophoblast. Similar structure and action to GH
40 weeks
The average duration of a pregnancy in weeks (starts from the last menstrual period)
Simple diffusion, facilitated diffusion
Methods of transport across the placenta. [_______], [_______], active transport, endocytosis and exocytosis
Active transport, endocytosis and exocytosis
Methods of transport across the placenta. Simple diffusion, facilitated diffusion, [_______], [_______] and [_______]
Mammogenesis
The term used to describe development of the mammary gland
Lactogenesis
The term used to describe the production of milk by the mammary glands
Galactopoiesis
The term used to describe the maintenance of established lactation
Colostrum
A type of breast milk secreted during the first week after giving birth. Has less fat and lactose than mature milk but more protein, minerals, fat-soluble vitamins and antibodies
Oxytocin
A hormone which triggers the milk ejection reflex by causing contraction of myoepithelial cells within the breast