Paraxial mesoderm - Study guides, Class notes & Summaries
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ABCP BOARD REVIEW QUESTIONS & ANSWER SOLVED 100%
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What good substances cross the placental membrane? - Answer O2, CO2, H2O, bilirubin, maternal serum proteins, RBc, IgG, IgA 
 
What harmful substances cross the placental membrane? - Answer 1) viruses: rubella, HIV, measles, oral conraception, WARFARIN, DILANTIN, Xanax, cocaine, heroin, RH-antibodies 
 
What does not cross the placental membrane? - Answer maternal chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria 
 
Which vessel supplies blood to the fetus? - Answer umbilical vein 
 
Whic...
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Embryology 2023 Exam 2 Objectives: Lectures 9 (part)-16 | with complete solution
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Embryology 2023 Exam 2 Objectives: Lectures 9 (part)-16 | with complete solution 
 
Nodal is a signaling molecule produced by the primitive node. What is its role in the induction of the primitive streak and the establishment of left-right symmetry? 
It induces primitive streak and helps to establish left-right symmetry. It is a symmetry breaking molecule in the left side of the embryo. 
What is the first sign of asymmetry in early development? What roles are played by Nodal and Left-1? 
Involve...
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Embryology Practice Questions with Answers
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1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: 
 
A. capacitor 
B. head 
C. corona 
D. acrosome 
E. cumulus 
D. is correct. 
The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes and penetrates the oocyte. 
 
 
 
2. The ovulated mammalian oocyte is arre...
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Parker University - Tri 1 DAA: Exam II Questions With Complete Solutions
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Parker University - Tri 1 DAA: Exam II Questions With Complete Solutions
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NBCE GENERAL ANATOMY EXAM WITH VERIFIED SOLUTIONS.
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Mesoderm, what are the derivatives? 
Paraxial 
Intermediate 
Head 
Lateral plate 
Paraxial - Somites (31) 
Intermediate - Urogenital system and kidneys 
Head - Skull, MM, CT of head, dentine 
Lateral plate - Adrenal cortex, blood & lymph, spleen 
 
 
 
spleen and adrenal cortex are from 
mesoderm lateral plate 
 
 
 
 
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Kidneys are from 
mesoderm intermediate 
 
 
 
Anterio...
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NBCE I - GENERAL ANATOMY SCOTT EXAM WITH VERIFIED SOLUTIONS ALREADY GRADED A+
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Embryology - Gut, Respiratory Tract, "Tubular Structures" 
Endoderm 
 
 
 
Embryology - Somites 
Paraxial Mesoderm 
 
 
 
Embryology -UG system and Kidneys 
Intermediate Mesoderm 
 
 
 
Embryology - Skull, Muscles, and CT of head 
Head Mesoderm 
 
 
 
Embryology - Adrenal Cortex, Spleen, CV and Lymphatics. 
Lateral Plate Mesoderm 
 
 
 
Embryology - Epidermis, Anterior Pituitary, Lens of the Eye, Hair 
Surface Ectoderm 
 
 
 
Embryology - Posterior Pituitary, Retina of Eye, CNS 
Neural Tube (N...
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Embryology Exam 2 | With complete solution | updated 2023/24
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Embryology Exam 2 | With complete solution | updated 2023/24 
 
meiosis 1 nondisjunction 
homologous chromosomes fail to separate 
 
meiosis 2 nondisjunction 
sister chromatids fail to separate 
 
origin of the notochord 
~ day 18, some of the epiblast in primitive node begins growing cranially toward oropharyngeal membrane, laying down the notochord. will be further extended as primitive streak regresses 
 
is the 4th major tissue to be derived from epiblast layer 
 
when does primitive stre...
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GENERAL ANATOMY (NBCE PART 1) – 686 QUESTIONS WITH VERIFIED SOLUTIONS.
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Mesoderm, what are the derivatives? 
Paraxial 
Intermediate 
Head 
Lateral plate 
Paraxial - Somites (31) 
Intermediate - Urogenital system and kidneys 
Head - Skull, MM, CT of head, dentine 
Lateral plate - Adrenal cortex, blood & lymph, spleen 
 
 
 
spleen and adrenal cortex are from 
mesoderm lateral plate 
 
 
 
Kidneys are from 
mesoderm intermediate 
 
 
 
Anterior pituitary and lens of eye are from 
surface ectoderm 
 
 
 
enamel is from 
surface ectoderm 
 
 
 
Neuroectoderm consists of...
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Embryology Exam | Actual Questions with Answers| updated 2023/24
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Embryology Exam | Actual Questions with Answers| updated 2023/24 
 
1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: 
 
A. capacitor 
B. head 
C. corona 
D. acrosome 
E. cumulus - D. is correct. 
The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes a...
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Embryology Embryonic Folding test with 100% correct answers
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Embryonic folding 
By the end of the fourth week of development, the embryo has already begun to take human form. It is nearly completely lined on the outside with ectoderm. Inside, the neural tube is 
continuing to develop within the dorsal mesenchyme. Adjacent to the neural tube, somites are forming in a segmental fashion. Lateral to this, intermediate mesoderm is beginning to form structures of the urogenital system and gonads. The lateral plate mesoderm had split into 
splanchnopleuric and s...
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