**Core Concept**
Conization is a surgical procedure aimed at removing a cone-shaped sample of tissue from the cervix. This procedure is often performed to diagnose or treat cervical cancer, precancerous lesions, or abnormal cervical cell growth. The cone of tissue removed typically includes a portion of the ectocervix and endocervix, which are both part of the cervix.

**Why the Correct Answer is Right**
During conization, the surgeon aims to remove a representative sample of tissue that includes both the ectocervix (the outer part of the cervix) and the endocervix (the inner canal of the cervix). The ectocervix is lined by squamous epithelium, while the endocervix is lined by columnar epithelium. The racemose glands, which are a type of columnar epithelial gland, are located in the endocervix and play a crucial role in cervical mucus production. Therefore, the cone of tissue removed in conization should ideally include both the eroded area of the cervix (if present) and some of the racemose glands.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because the racemose glands are not the only structures removed during conization. The procedure aims to remove a representative sample of tissue that includes both the ectocervix and endocervix.

**Option B:** This option is incomplete because conization involves the removal of more than just the eroded area of the cervix. The procedure aims to remove a representative sample of tissue that includes both the ectocervix and endocervix.

**Option C:** This option is incorrect because conization typically involves the removal of a significant portion of the racemose glands, not just some of them.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that conization can be performed using different techniques, including cold knife conization, laser conization, and loop electrosurgical excision procedure (LEEP). Regardless of the technique used, the goal of conization is to remove a representative sample of tissue that can be used for histopathological examination to diagnose or rule out cervical cancer or precancerous lesions.

**✓ Correct Answer: D. A+B. The cone of tissue removed in conization consists of both the eroded area of the cervix and some of the racemose glands.**