Learning objectives Chapters 1-7 and Food Safety Video

Learning objectives Chapters 1-7 and Food Safety Video -...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Preconception Nutrition (Chapter 2) – Objectives 1. Define key words: Fertility – being able to produce offspring Infertility – not being able to produce offspring Miscarriage – spontaneous abortion Embryo – development in early stages in the womb, up to the end of the second month Fetus – unborn young from the end of the eighth week after conception to the moment of birth Menstrual cycle – menstrual phase (day 1 -4), follicular phase (days 5 – 13), ovulation (day 14 but not a phase), luteal phase (15 – 26 days), ischemic phase (27 – 28 days) Follicle – cavity in the ovary containing an ovum (female reproductive cell that can be fertilized) Corpus luteum - mass of cells that forms from a mature ovarian follicle after ovulation and that secretes progesterone. If fertilization of the egg occurs, the corpus luteum persists for the first few months of pregnancy. Prostaglandins - Any of a group of potent hormone-like substances that are produced in various mammalian tissues, are derived from arachidonic acid, and mediate a wide range of physiological functions, such as control of blood pressure, contraction of smooth muscle, and modulation of inflammation. Androgens - s teroid hormones, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics. Also called androgenic hormone . Amenorrhea – absence of menstruation Oligomenorrhea – light or infrequent menstruation Endocrine – an internal secretion, hormone Leptin- peptide hormone that is produced by fat cells and plays a role in body weight regulation by acting on the hypothalamus to suppress appetite and burn fat stored in adipose tissue Ova - the female reproductive cell or gamete of animals, which is capable of developing, usually only after fertilization, into a new individual. Puberty - period or age at which a person is first capable of sexual reproduction of
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
offspring: in common law, presumed to be 14 years in the male and 12 years in the female. Menopause - period of permanent cessation of menstruation, usually occurring between the ages of 45 and 55. Ovary - one of usually two organs that produce ova and secrete estrogen and progesterone Uterus - a hollow muscular organ in the pelvic cavity of females; contains the developing fetus fallopian tube - one of a pair of long, slender ducts in the female abdomen that transport ova from the ovary to the uterus and, in fertilization, transport sperm cells from the uterus to the released ova; the oviduct of higher mammals. Body mass index (BMI) - a measure of someone's weight in relation to height; to calculate one's BMI, multiply one's weight in pounds and divide that by the square of one's height in inches 2. Describe the phases of the menstrual cycle and explain the functions of the hormones involved. (GnRH, FSH, LH, estrogen, progesterone). Indicate the number of days in a typical menstrual cycle. GnRH (gonadotropin-releasing hormone)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/01/2008 for the course NTR 315 taught by Professor Steinman during the Spring '08 term at University of Texas.

Page1 / 23

Learning objectives Chapters 1-7 and Food Safety Video -...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online