LSC ANATOMY & PHYSIOLOGY CONNECT ACCESS
4th Edition
ISBN: 9781264929290
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 29, Problem 3DYKB
During gastrulation, cells from the _____ layer of the bilaminar germinal disc migrate and form the three primary germ layers.
- a. notochord
- b. hypoblast
- c. epiblast
- d. mesoblast
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During gastrulation, cells from the _____ layer of the bilaminar germinal disc migrate and form the three primary germ layers. a. notochord b. hypoblast c. epiblast d. mesoblast
Match the germ layer on the right with its contribution to the tissues and organs of the embryo, on the left.
v connective tissue stroma
A. mesoderm
v parenchymal cells, e.g., liver
B. ectoderm
C. mesoderm
D. mesoderm
E. endoderm
F. endoderm
vasculature
v innervation
v epithelium of enteric secretory duct tubes
v epithelium of integumentary system
G. ectoderm
v elastic membrane
The cells of the embryoblast differentiate into the ______ andthe ______.a. epiblast, hypoblastb. cytotrophoblast, syncytiotrophoblastc. amnioblast, epiblastd. epiblast, cytotrophoblast
Chapter 29 Solutions
LSC ANATOMY & PHYSIOLOGY CONNECT ACCESS
Ch. 29.1 - What distinguishes the pre-embryonic period from...Ch. 29.2 - Prob. 2WDYLCh. 29.2 - Prob. 3WDYLCh. 29.2 - How many cells are present initially in the...Ch. 29.2 - Prob. 5WDYLCh. 29.2 - Prob. 6WDYLCh. 29.2 - Prob. 7WDYLCh. 29.2 - What are the two cell layers of the bilaminar...Ch. 29.2 - Which cell layers give rise to each of the three...Ch. 29.2 - Prob. 10WDYL
Ch. 29.3 - Prob. 11WDYLCh. 29.3 - Prob. 12WDYLCh. 29.3 - Prob. 13WDYLCh. 29.3 - Why is it important for a pregnant woman to...Ch. 29.4 - Prob. 15WDYLCh. 29.5 - Prob. 16WDYLCh. 29.5 - How do estrogen and progesterone act to sustain...Ch. 29.5 - What are the actions of CRH, HPL, oxytocin, and...Ch. 29.5 - Prob. 19WDYLCh. 29.5 - Prob. 20WDYLCh. 29.5 - Prob. 21WDYLCh. 29.5 - Prob. 22WDYLCh. 29.5 - Prob. 23WDYLCh. 29.5 - Prob. 24WDYLCh. 29.5 - Prob. 25WDYLCh. 29.6 - How do progesterone, estrogen, and oxytocin...Ch. 29.6 - Prob. 27WDYLCh. 29.6 - Prob. 28WDYLCh. 29.6 - Prob. 29WDYLCh. 29.6 - Prob. 30WDYLCh. 29.6 - Prob. 31WDYLCh. 29.7 - Prob. 32WDYLCh. 29.7 - Prob. 33WDYLCh. 29.8 - Prob. 34WDYLCh. 29.8 - Prob. 35WDYLCh. 29.8 - How does the positive feedback mechanism in...Ch. 29.8 - Prob. 37WDYLCh. 29.9 - Prob. 38WDYLCh. 29.9 - How does codominant inheritance differ from...Ch. 29.9 - Prob. 40WDYLCh. 29.9 - Prob. 41WDYLCh. 29 - _____ 1. The outer layer of the blastocyst that...Ch. 29 - _____ 2. At about day 3 after fertilization, the...Ch. 29 - During gastrulation, cells from the _____ layer of...Ch. 29 - ______ 4. The cells of the embryoblast...Ch. 29 - _____ 5. Which of the following is not an...Ch. 29 - _____ 6. All of the following cardiovascular...Ch. 29 - _____ 7. After a woman gives birth, what happens...Ch. 29 - _____ 8. Freckles are considered to be a dominant...Ch. 29 - _____ 9. Skin color is a trait that is determined...Ch. 29 - A woman is a carrier for the color-blindness gene,...Ch. 29 - Briefly describe the process of fertilization,...Ch. 29 - List the five regions of the mesoderm, and...Ch. 29 - Explain why teratogens are especially harmful to...Ch. 29 - Describe the differences between the embryonic...Ch. 29 - Prob. 15DYKBCh. 29 - Prob. 16DYKBCh. 29 - Prob. 17DYKBCh. 29 - Describe the various ways by which the mothers...Ch. 29 - Compare and contrast strict dominant-recessive...Ch. 29 - Explain the difference between X-linked recessive...Ch. 29 - Prob. 1CALCh. 29 - Ashley is a 29-year-old pregnant woman who is in...Ch. 29 - Ashley is a 29-year-old pregnant woman who is in...Ch. 29 - Prob. 4CALCh. 29 - Ashley is a 29-year-old pregnant woman who is in...Ch. 29 - Prob. 1CSLCh. 29 - Prob. 2CSLCh. 29 - Prob. 3CSL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Gastrulation... A. Is a specialized form of cell division that partitions the cytoplasm of a fertilized egg B. Refers to the fusion of haploid gametes to give a diploid zygote C. Produces an embryo with either two or three distinct cell layers D. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space E. None of the abovearrow_forwardThe folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer choices a. somites b. the archenteron c. the neural tube d. the gastrula e. the blastulaarrow_forwardSomites a. begin forming at the tail end of the embryo and then move forward in a wavelike fashion. b. are derived from endoderm. c. develop into only one type of tissue per somite. d. may vary in number from one species to the next.arrow_forward
- The placenta is formed from ________.a. the embryo’s mesenchymal cellsb. the mother’s endometrium onlyc. the mother’s endometrium and the embryo’schorionic membraned. the mother’s endometrium and the embryo’sumbilical cordarrow_forwardWhich of the following structure develops into only the fetus? A. Blastocyte B. Zygote C. Trophoblast D. Inner cell massarrow_forwardWhich of the following are derived from 'trophoblasts'? 1. epiblast 2. hypoblast 3. amnion 4. blastocyst wall 5. inner cell mass Group of answer choices (A) 1 and 2 (B) 1, 2, and 3 (C) 3 and 4 (D) 4 only (E) 1, 2, 3, and 5arrow_forward
- Gastrulation does NOT Select one: a. involve the formation of germ layers b. consist of endoderm, mesoderm, and ectoderm c. result in the formation of a third layer in the embryonic disk d. include the differentiation of cells into tissues and organsarrow_forwardWhich of the following does NOT aid the sperm in fertilization? a. increased mitochondria b. flageullum development c. cytoplasmic bridge d. hyaluronidase and protease e. acrosomesarrow_forwardWhich of the following stages of the fertilization process stimulates completion of meiosis II in the oocyte’s nucleus? A. The sperm nucleus and egg nucleus combine to form the genetic material of the zygote B. Sperm release enzymes to digest the protein layer of the secondary oocyte C. The entry of a sperm into the secondary oocyte D. The swimming of sperm from the vagina, through the uterus, and up to an oviductarrow_forward
- Some Steps Involved in the Process of Fertilization 1. Zygote 2. Morula 3. Оосyte 4. Fertilization 5. Cleavage 6. Blastocyst The order is which the steps numbered above occur in the process of fertilization is andarrow_forwardAn infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results? (a) Zygote only (b) Zygote or early embryo upto 8 blastomeres (c) Embryos with more than 8 blastomeres (d) Blastocyst Stagearrow_forwardAn egg cell originally comes from an unspecialized diploid cell called a(an)… Group of answer choices A. secondary oocyte B. follicle C. primary oocyte D. oviduct E. oogoniumarrow_forward
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