Question

1. A surgeon is about to make the initial incision for appendectomy. He is about to incise the epidermis. Name the five epidermal layers from the outside of the skin to the inside. Tell the structure of each.

2. Which gene is uniquely expressed by fetal fat?

3. Trace the sequence of events from the time he hit his thumb to the time he shouted and cried based on your knowledge about Nervous System.

4. Describe those parts or structures of the reproductive system that are affected by late primary of antral follicles

4.

Answer 1

The five layers of epidermis from outside of skin to inside are follows superficial to deepest layer are

Epidermis dermis subcutaneous tissue

5 layers of epidermis from outside of skin

Stratum basal

Stratum spinosum

Stratum granulosum

Stratum lucidium

Stratum corneum

There are different type of genes which influence by fetal fat these are HOXC13 TBX15 RSPO3 etc these are the developmental Gene's which develops at the time of gestation periods

The sequence are as follows when he hit crie

9week fetal stage start

12 week sex organ differentiation

16 week finger and toe develop

20weeks hearing starts or begins

Primary follicle change into secondary follicle then tertiary or antral follicles

Antral follicles change into ovarian follicles which secrete hormone and further ovarian follicle change Into corpus luteum