NBCE - General Anatomy Key Questions and CORRECT Answers

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 - Neural tube and neural crest cells Post pituitary, retina, CNS and pineal body are from - Neural tube DRG, ANS, parafollicular cells of thyroid and adrenal medulla are from - Neural crest stomadium - mouth Gubernaculum becomes what In males: In females: - Males: scrotal lig (gubernacular testis) Females: Suspensory lig of ovary, ovarian lig and round lig Foramen cecum gives rise to the - Thyroid (seek the thyroid) Limb bud rotation - Arms: 90 lateral Legs: 90 medial Example of parasagittal - Elbow flexion/extion Entire pulm tract: nasal mucosa to terminal bronchiole - PSCC 4 CT types - Dense reg - tendons and lig Dense irreg - dermis of skin Elastic - blood vessels Reticular - lymph nodes and spleen Epidermis from sup to deep - corneum, lucidum (only on plantar surfaces), granulosum, spinosum, germinativum (basal layer) "cows like green soft grass" Dermis sup to deep - Papillary, reticular, hypodermis (subcutaneous fascia) Extrinsic MM of tongue and innervation - Palatoglossus - CN10 Styloglossus - CN12 Hyoglossus - CN12 Genioglossus - CN12 All MM ending in glossus inn. by CN12 except palatoglossus Intrinsic MM of tongue - Longitudinal, tansverse, verticle and of the lingual septum Tast buds of tongue (CAFFF) - Circumvallate - largest & fewest (ant to sulcus terminalis) Filiform - smallest and most numerous not inv w/ taste Fungiform Foliate - sides of tongue & most sensitive Taste of tongue topography - sweet-anterior, salty-ant/lat, sour-post/lat, bitter-posterior AkA for tonsils and list the three. Which are AKA adenoids? - Rings of waldeyer Palatine, lingual & pharyngeal Pharyngeal tonsils in nasopharynx AKA adenoids Torus Tubaris - naso-pharynx opening of auditory tube When adenoids swell they can occlude what? - Torus Tubaris Which M of mastication att to articular disc, and is the only one to open the mouth and protrude jaw? - Lateral/External pterygoid All MM ending in pharygeus inn. by CN__ except for __________ - 10, except for stylopharygeus (9) Contents of ant. cervical triangle - salivary glands, larynx and thyroid Contents of inf. carotid AKA muscular triangle - Larynx, trachea, thyroid Contents of carotid triangle (sup carotid) - carotid A, internal jugular, vagus N Borders of suboccipital triangle - RCP major, sup oblique, inf oblique