Give the exact location of the:

(i) Lenticels are located on the barks of the older woody stems.

(ii) Prostate gland is located between the urinary bladder and the point where sperm ducts join the urethra.

(iii) Thyroid is situated in the front part of the neck just below the larynx.

(iv) Centrosome is located in the cytoplasm usually close to the nucleus in animal cells.

(v) Mitral value is located between the left auricle and left ventricle.