Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
CORPUS LUTEUM PARTHENOGENESIS SPERMATOGENESIS OOGENESIS ACROSOMAL REACTION TESTOSTERONE LUTEINIZING HORMONE CLEAVAGE GASTRULATION ESTROGEN and PROGESTERONE BLASTOCYST NEURULATION FOLLICLE STIMULATING HORMONE Distinguish between ENDODERM, ECTODERM and MESODERM Distinguish between: NOTOCHORD and NEURAL TUBE Spermatogenesis – Production of the sperm in the male. Germ cells give rise to primary spermatocytes. These spermatocytes go through meiosis (I and II) to form four sperm cells. In the mammalian testes, this occurs in the seminiferous tubules. ______ released by the Anterior pituitary can lead to spermatogenesis. Parthenogenesis– The production of a new organism from an ___________ egg. Ex. Ants, bees, wasps, whiptail lizard. Corpus Luteum– The structure formed from the follicle cells after the egg is released at ovulation. This structure of follicle cells stays behind in the ovary and releases __________ and ______________ to help maintain uterine lining. If pregnancy doesn't occur, the corpus luteum will stop producing these hormones and the uterine lining with slough off. Testosterone – Male hormone produced by the _________ cells in the testes. It causes the development of secondary sexual characteristics in the male. It is also necessary for proper production of sperm. Acrosomal Reaction – When a sperm reaches the egg, the acrosomal membrane at the head of the sperm breaks down and release _________ that digest a path through the outer protective coat of the egg. The acrosome process then grows from the head of the sperm to fuse with the egg membrane. Oogenesis– Production of eggs in the Gastrulation – During this stage of embryonic development, cells _______ to form the 3 tissue layers (endoderm, mesoderm, and ectoderm). The ______________ that forms will become either the anus or the mouth. Cleavage – Rapid ______________ following the fertilization of an egg with a sperm. There isn’t much time for cell growth between divisions, so the cells get smaller with each division cycle. Luteinizing Hormone (in male) – Released by Anterior pituitary and causes _________ cells to release testosterone. Luteinizing Hormone (in female) Released by Anterior pituitary and triggers the mature follicle to release its egg (ovulation) and the leftover follicle cells to develop into the _______________. Neurulation - The initiation of the _______________ system. The ectoderm above the notochord thickens and folds in on itself to create the neural tube. The neural tube will become the spinal cord and ___________. Blastocyst – A ____________ ball of 32 cells that marks the end of blastulation. Cells in the blastocyst are totipotent (“stem cells” that have the ability to become any type of body cell. outer layer = form the placenta, inner layer = forms embryo. This is when the embryo implants into the uterus. Estrogen – Causes development of secondary sexual characteristics in females. Stimulates thickening of uterine lining (called the ______________). Endoderm – The inner most germ layer. Will become the _______________ and respiratory systems. Mesoderm – The middle germ layer. It will become the skeleton, muscles, circulatory system, _______________ system and most of the _________________ system. Ectoderm – The outer-most germ layer. Will become skin, hair, nails, sweat and oil glands and the _______________ system. Follicle Stimulating Hormone (in male) - Stimulates spermatogenesis. Notochord – _____________ that becomes the vertebrae that protect the spinal cord Follicle Stimulating Hormone (in female) - Helps follicles to mature in ovary. Also stimulates production of estrogen and progesterone in the ovary. Neural Tube – ____________ that will become the spinal cord and brain. Formed from neurulation. female. Germ cells give rise to primary oocytes. These oocytes arrest in Prophase I of the Meiosis ___ until Puberty. Then each month, an egg will complete Meiosis I and then enters Meiosis II (which is then only completed after fertilization by the sperm. Oogenesis results in _________ cell division so that only one egg is made with 3 small polar bodies left. Progesterone - Causes development of secondary sexual characteristics in females. Maintains _____________).