Domanda del libro di testo
The pre-embryo develops into a multicellular complex known as a
(a) Blastocyst
(b) Trophoblast
(c) Lacuna
(d) Blastomere
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Ch. 29 Development and Inheritance
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
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Martini, Nath, Bartholomew 11th EditionCh. 29 Development and InheritanceProblema 2
Martini, Nath, Bartholomew 11th EditionCh. 29 Development and InheritanceProblema 2Capitolo 28, Problema 2
Identify the two extra-embryonic membranes and the three different regions of the endometrium at week 10 of development in the following diagram.
a. ___
b. ___
c. ___
d. ___
e. ___
Guida verificata passo dopo passo1
Step 1: Understand the context of the problem. At week 10 of embryonic development, the embryo is surrounded by several extra-embryonic membranes that support its growth, and the endometrium (lining of the uterus) has distinct regions that interact with the developing embryo.
Step 2: Identify the two extra-embryonic membranes. These typically include the amnion, which forms the amniotic sac filled with fluid to protect the embryo, and the chorion, which contributes to the formation of the placenta and surrounds the embryo and other membranes.
Step 3: Recognize the three different regions of the endometrium at this stage. These regions are usually the decidua basalis (the part of the endometrium directly beneath the implanted embryo), the decidua capsularis (the part of the endometrium that covers the embryo), and the decidua parietalis (the remaining part of the endometrium lining the uterus).
Step 4: Use the diagram to match the labels a, b, c, d, and e to these structures. Typically, two of these labels will correspond to the extra-embryonic membranes (amnion and chorion), and the other three will correspond to the endometrial regions (decidua basalis, decidua capsularis, and decidua parietalis).
Step 5: Confirm your identifications by reviewing the characteristics of each structure in the diagram, such as location relative to the embryo and uterine wall, and the presence of fluid-filled spaces or placental tissue.
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Extra-embryonic Membranes
Extra-embryonic membranes are structures that support the developing embryo but are not part of the embryo itself. Key membranes include the amnion, which encloses the amniotic cavity, and the chorion, which contributes to placenta formation. Understanding their roles and appearance at week 10 is essential for identifying them in developmental diagrams.
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3:05
Review of Embryonic Layer Specialization
Regions of the Endometrium
The endometrium is the inner lining of the uterus, which undergoes changes during pregnancy. At week 10, it is divided into three regions: the decidua basalis (beneath the implantation site), decidua capsularis (overlying the embryo), and decidua parietalis (remaining uterine lining). Recognizing these regions helps in understanding maternal-embryonic interactions.
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04:21The 9 Abdominopelvic Regions
Embryonic Development Timeline at Week 10
By week 10, the embryo is transitioning into the fetal stage, and key structures like extra-embryonic membranes and endometrial regions are well-defined. Familiarity with the developmental milestones and anatomical changes at this stage aids in correctly identifying structures in diagrams and understanding their functional significance.
Video consigliato:
0:43Embryonic Development (Weeks 3-8) Example 3
Pratica correlata
Domanda del libro di testo
Recessive X-linked traits
(a) Are passed from fathers to their sons
(b) Are more likely to be expressed in males
(c) Always affect some aspect of the reproductive system
(d) Are never expressed in females
(e) Cannot be passed from mothers to daughters
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Domanda del libro di testo
The stage of development that follows cleavage is the
(a) Blastocyst
(b) Morula
(c) Trophoblast
(d) Blastocoele
95
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Domanda del libro di testo
The chorionic villi
(a) Form the umbilical cord
(b) Form the umbilical vein
(c) Form the umbilical arteries
(d) Increase the surface area available for exchange between the placenta and maternal blood
(e) Form the portion of the placenta called the capsular decidua
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