Anatomy Flashcards
Nerve most likely to get damaged in CS
Lateral femoral cutaneous nerve
Damage to which nerve causes hiccups
Phrenic nerve ( eg. In aortic dissection )
What is the underlying cause of Sirenomelia (Single limb)
Caudal Dysgenesis
Lesion in the paracentral lobule causes weakness in the following region
perineum and limbs, contralateral lower limbs, Urinary incontinence and fecal incontinence
Trendelenberg sign
Stability of the pelvis and hip abductor muscles such as Gluteus medius and Maximus
The maxillary artery is formed from which arch
Mandibular arch (first)
internal and common carotid artery id formed from which arch
Third arch (hyoid)
The fourth arch develops into
aortic arch
Ductus arteriosus develops from which pharyngeal arch
6th
Structure developing in dorsal mesogastrium:
Spleen at 6th week of intrauterine life
Skin receptor responsible for detecting rapid vibration
Paccinian corpuscle
Skin receptor responsible for detecting edges and corners
Merkel cell
Skin receptor responsible for pressure
Ruffini’s corpuscles
Failure of closure of rostral neuropore at 25th day leads to
Anencephaly
Failure of closure of Caudal neuropore at 28th day leads to
Spina Bifida
Neural crest cell mi ation is due to:
Hyaluronic acid
First pouch
Middle ear cavity and eustasian tube
2nd pouch forms
palatine tonsils
3rd pouchforms
parathyroid and thymus
4th pouch forms
Superior parathyroid and c-cells responsible for calcitonin production
Tumor derived from Rathke’s pouch
Craniopharyngioma
hardest bone in the body
Osseus Labrynth: part of temporal bone , also called rock bone
Homologus male parts of Labia majora and minora
Scrotum and Penile shaft
how many blood vessels in umbilicus
2 arteries and 1vein supplying to fetus
Superoir vena cava is derived from
Cardinal vein
StyIohyoid ligament is derived from
2nd brachial arch
Sphenomandibular ligament is derived from which branchial arch?
1st
Tonsil is derived from:
2nd pouch
External auditory canal is formed from:
Dorsal part of 1st cleft
Lower 1/3 of vagina is formed by:
sinovaginal bulb or urogenital sinus
Upper 2/3 of vagina is formed from
Mullerian duct or parameso nephric duck
Hypoblast and epiblast forms:
Prechordal plate and notochord
gastrulation occurs at
Week 3
First germ layer to be formed is:
endoderm
Pons is derived from
Metencephalon
Metanephros gives rise to what structure
Definitive adult kidney
collecting duct is dervied from
ureteric bud
Prostate is derived from
Urongenital Sinus