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GEN ANA 2; DEVELOPME
sas 1 lec
| Question | Answer |
|---|---|
| What are the TWO parts of CRANIUM? | 1. Neurocranium 2. Viscerocranium |
| 3 MAJOR germ layers | 1. Ectoderm 2.Endoderm 3. Mesoderm |
| What layer is SURFACE LAYER ( enamel of teeth, skin, hair, nail, glands, mammary, lens of eye, internal ear, CNS , PNS , Nose) | Ectoderm |
| What layer is LINING? (Respiratory, Digestive, Thyroid, Tonsils, Liver, Pancreas, Bladder) | Endoderm |
| What layer is in the INTERNAL (Muscles SMOOTH, CARDIAC and SKELETAL) (Vessels CNS and Lymphatic) (Reproductive) | Mesoderm |
| Which germ layer does NOT form the head and neck of the developing embryo? | Endoderm |
| The pharyngeal arches start forming during which WEEK OF DEVELOPMENT? | 4th |
| Pharyngeal pouches ARISE from which germ layer? | Endoderm |
| The EXTERNAL SURFACE of the pharyngeal arches is composed of which germ layer? | Ectoderm |
| Which germ layer makes up the INTERNAL SURFACE of the pharyngeal arches? | Endoderm |
| SKELETAL components develop from which tissue? | Neural Crest |
| VISCEROCRANIUM skull development describes the formation of the: | Facial Bones |
| Which structure is NOT ossified? | Sphenomandibular Ligament |
| Which structure is formed by the MEMBRANOUS NEUROCRANIUM? | Frontal Bone |