Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Embryo

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Week 1   BLASTOCYST implantation  
🗑
Week 2   Bilaminar disk (epiblast & hypoblast)  
🗑
Week 3   Gastrulation, primitive streak + notochord + Neural Plate  
🗑
Week 3-8   Neural tube, Organogenesis, Teratogen susceptibility  
🗑
Week 4   Heart beat, limb buds form  
🗑
Week 10   Genital differentiation  
🗑
Alar plate   Sensory  
🗑
Basal plate   motor  
🗑
Adenohypophysis origin   Surface ectoderm  
🗑
Neuroectoderm Derivatives   CNS  
🗑
Neural Crest Derivatives   ANS, melanocytes, chromaffin & enterochromaffin, Pia & arachnoid, parafollicular C cells, laryngeal cartilage, skull  
🗑
Endoderm Derivatives   Gut tube & projecting organs + Thymus, Parathyroid, Thyroid  
🗑
Mesoderm Derivatives   Dura matter, CT, bone, muscle, heart, lymph, blood, urogenital & kidneys, serous lining, spleen, adrenal cortex  
🗑
Mesodermal defects   VACTERL: Vertebral, Anal atresia, cardiac, T-E Fistula, Renal, Limb (bone, muscle)  
🗑
Fetal Alcohol Syndrome   Inhibition of cell migration -> development retardation, microcephaly, facial abnormalities, limb dislocation, heart & lung fistulas  
🗑
ACE inhibitors   Renal damage  
🗑
Cocaine   Development abnormalities & addiction  
🗑
Iodide   Goiter, hypothyroid  
🗑
Vitamin A   Birth defects  
🗑
Thalidomide   Limb defects “flipper”  
🗑
Tobacco   Preterm, placental probs, ADHD  
🗑
Warfarin, x-rays, anticonvulsants   Multiple anomalies  
🗑
Right cardinal vein   SVC  
🗑
Left horn of Sinus Venosus   Coronary Sinus  
🗑
Hemoglobin A   Spleen from wk 9-28, bone marrow afterwards  
🗑
Hemoglobin F   Liver, week 6-30  
🗑
Ligamentum teres hepatis (in falciform lig)   Umbilical vein  
🗑
Branchial/Pharyngeal Arch 1   Mandible + Muscles of mastication, inferior jaw (Mylohyoid & ant belly of digastric. Inner Ear: Malleus, incus + tensor tympani/veli palatini. Anterior tongue. CN V2, 3  
🗑
Branchial/Pharyngeal Arch 2   STAPES, styloid, anterior hyoid, stylohyoid ligament & muscle, posterior digastric, Facial expression muscles. CN 7  
🗑
Branchial/Pharyngeal Arch 3   Greater Hyoid, stylopharyngeus. CN 9, posterior tongue (w/#4)  
🗑
Branchial/Pharyngeal Arch 4   Pharyngeal constrictors, levator veli palatini, posterior tongue (w/#3). Superior laryngeal CN 10. w/6: Cartilage of the throat: corniculate, cuneiform, arytenoids, cricoid, thyroid.  
🗑
Branchial/Pharyngeal arch 6   Intrinsic laryngeal muscles (minus cricothyroid). Recurrent laryngeal CN 10. w/4: Cartilage of the throat: corniculate, cuneiform, arytenoids, cricoid, thyroid.  
🗑
1st Branchial/Pharyngeal cleft & pouch   1st Cleft: External auditory meatus. 1st Pouch: Middle ear, eustachian tube  
🗑
2nd Branchial/Pharyngeal Pouch   Palatine tonsils  
🗑
3rd Branchial/Pharyngeal Pouch   Dorsal: Inferior Parathyroid. Ventral: Thymus  
🗑
4th Branchial/Pharyngeal Pouch   Superior parathyroid  
🗑
Tongue Innervation   Ant 2/3- Taste CN 7, Sensory CN V3. Posterior 1/3: Taste & sensation CN9,10. Motor CN 12  
🗑
Urogenital Sinus Derivatives   Male: Corpus spongiosum, bulbourethral/Cowper’s glands, prostate glands. Female: Vestibular bulbs, Bartholin glands, Urethral & paraurethral glands (of skene)  
🗑
Urogenital Fold Derivatives   M: Ventral shaft of penis. F: Labia Minora  
🗑
Genital Tubercle   Glans penis, clitoris  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: Kyle Tiemeier
Popular USMLE sets