Atlas of Plant and Animal Histology

Choose true or false. Each right answer scores 1, and each wrong answer scores -1. Not answered questions score 0.

1) The integument is composed of bone and cartilage. It provides support to the animal body.

2) Thick epidermis and dermis are features of the thick skin.

3) The epidermis is made up of a cell type known as keratinocyte.

4) Dermal papillae are abundant in the thin skin.

5) v

6) The hypodermis is found below the dermis and contains many adipocytes.

7) All body regions have hypodermis showing the same thickness.

8) Sebaceous glands release their content directly on the surface of the skin.

9) Epidermal crests are expansions of the epidermis toward the external part of the body.

10) Mechanoreceptors that sense touching are mainly found in the dermis.

11) Sweat glands are branched exocrine glands that release their content on the skin surface.

12) Thermoregulation is one of the main functions of the sweat glands.

13) Nails are made up of living cells.

14) The epidermal region that generates the nail is called the matrix.

F-1) The dotted line separates the epidermis from the dermis.

F-2) Black arrows point to dermal papillae.

F-3) The stratum granulosum of the epidermis is delimited by black lines.

F-4) In figure D, it can be observed the matrix, that is, the epidermal region where the nail is produced.