Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


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
Created by: Kyle Tiemeier



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards